(window["webpackJsonp"] = window["webpackJsonp"] || []).push([[0],Array(30).concat([ /* 30 */ /*!************************************************!*\ !*** ./node_modules/decimal.js/decimal.es6.js ***! \************************************************/ /*! exports provided: default */ /*! exports used: default */ /***/ (function(module, __webpack_exports__, __webpack_require__) { "use strict"; /* * * decimal.js v7.2.3 * An arbitrary-precision Decimal type for JavaScript. * https://github.com/MikeMcl/decimal.js * Copyright (c) 2017 Michael Mclaughlin * MIT Licence * https://github.com/MikeMcl/decimal.js/LICENCE * */ // ----------------------------------- EDITABLE DEFAULTS ------------------------------------ // // The maximum exponent magnitude. // The limit on the value of `toExpNeg`, `toExpPos`, `minE` and `maxE`. var EXP_LIMIT = 9e15, // 0 to 9e15 // The limit on the value of `precision`, and on the value of the first argument to // `toDecimalPlaces`, `toExponential`, `toFixed`, `toPrecision` and `toSignificantDigits`. MAX_DIGITS = 1e9, // 0 to 1e9 // Base conversion alphabet. NUMERALS = '0123456789abcdef', // The natural logarithm of 10 (1025 digits). ln10 = '2.3025850929940456840179914546843642076011014886287729760333279009675726096773524802359972050895982983419677840422862486334095254650828067566662873690987816894829072083255546808437998948262331985283935053089653777326288461633662222876982198867465436674744042432743651550489343149393914796194044002221051017141748003688084012647080685567743216228355220114804663715659121373450747856947683463616792101806445070648000277502684916746550586856935673420670581136429224554405758925724208241314695689016758940256776311356919292033376587141660230105703089634572075440370847469940168269282808481184289314848524948644871927809676271275775397027668605952496716674183485704422507197965004714951050492214776567636938662976979522110718264549734772662425709429322582798502585509785265383207606726317164309505995087807523710333101197857547331541421808427543863591778117054309827482385045648019095610299291824318237525357709750539565187697510374970888692180205189339507238539205144634197265287286965110862571492198849978748873771345686209167058', // Pi (1025 digits). pi = '3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456485669234603486104543266482133936072602491412737245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094330572703657595919530921861173819326117931051185480744623799627495673518857527248912279381830119491298336733624406566430860213949463952247371907021798609437027705392171762931767523846748184676694051320005681271452635608277857713427577896091736371787214684409012249534301465495853710507922796892589235420199561121290219608640344181598136297747713099605187072113499999983729780499510597317328160963185950244594553469083026425223082533446850352619311881710100031378387528865875332083814206171776691473035982534904287554687311595628638823537875937519577818577805321712268066130019278766111959092164201989380952572010654858632789', // The initial configuration properties of the Decimal constructor. defaults = { // These values must be integers within the stated ranges (inclusive). // Most of these values can be changed at run-time using the `Decimal.config` method. // The maximum number of significant digits of the result of a calculation or base conversion. // E.g. `Decimal.config({ precision: 20 });` precision: 20, // 1 to MAX_DIGITS // The rounding mode used when rounding to `precision`. // // ROUND_UP 0 Away from zero. // ROUND_DOWN 1 Towards zero. // ROUND_CEIL 2 Towards +Infinity. // ROUND_FLOOR 3 Towards -Infinity. // ROUND_HALF_UP 4 Towards nearest neighbour. If equidistant, up. // ROUND_HALF_DOWN 5 Towards nearest neighbour. If equidistant, down. // ROUND_HALF_EVEN 6 Towards nearest neighbour. If equidistant, towards even neighbour. // ROUND_HALF_CEIL 7 Towards nearest neighbour. If equidistant, towards +Infinity. // ROUND_HALF_FLOOR 8 Towards nearest neighbour. If equidistant, towards -Infinity. // // E.g. // `Decimal.rounding = 4;` // `Decimal.rounding = Decimal.ROUND_HALF_UP;` rounding: 4, // 0 to 8 // The modulo mode used when calculating the modulus: a mod n. // The quotient (q = a / n) is calculated according to the corresponding rounding mode. // The remainder (r) is calculated as: r = a - n * q. // // UP 0 The remainder is positive if the dividend is negative, else is negative. // DOWN 1 The remainder has the same sign as the dividend (JavaScript %). // FLOOR 3 The remainder has the same sign as the divisor (Python %). // HALF_EVEN 6 The IEEE 754 remainder function. // EUCLID 9 Euclidian division. q = sign(n) * floor(a / abs(n)). Always positive. // // Truncated division (1), floored division (3), the IEEE 754 remainder (6), and Euclidian // division (9) are commonly used for the modulus operation. The other rounding modes can also // be used, but they may not give useful results. modulo: 1, // 0 to 9 // The exponent value at and beneath which `toString` returns exponential notation. // JavaScript numbers: -7 toExpNeg: -7, // 0 to -EXP_LIMIT // The exponent value at and above which `toString` returns exponential notation. // JavaScript numbers: 21 toExpPos: 21, // 0 to EXP_LIMIT // The minimum exponent value, beneath which underflow to zero occurs. // JavaScript numbers: -324 (5e-324) minE: -EXP_LIMIT, // -1 to -EXP_LIMIT // The maximum exponent value, above which overflow to Infinity occurs. // JavaScript numbers: 308 (1.7976931348623157e+308) maxE: EXP_LIMIT, // 1 to EXP_LIMIT // Whether to use cryptographically-secure random number generation, if available. crypto: false // true/false }, // ----------------------------------- END OF EDITABLE DEFAULTS ------------------------------- // Decimal, LN10, PI, inexact, quadrant, external = true, decimalError = '[DecimalError] ', invalidArgument = decimalError + 'Invalid argument: ', precisionLimitExceeded = decimalError + 'Precision limit exceeded', cryptoUnavailable = decimalError + 'crypto unavailable', mathfloor = Math.floor, mathpow = Math.pow, isBinary = /^0b([01]+(\.[01]*)?|\.[01]+)(p[+-]?\d+)?$/i, isHex = /^0x([0-9a-f]+(\.[0-9a-f]*)?|\.[0-9a-f]+)(p[+-]?\d+)?$/i, isOctal = /^0o([0-7]+(\.[0-7]*)?|\.[0-7]+)(p[+-]?\d+)?$/i, isDecimal = /^(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i, BASE = 1e7, LOG_BASE = 7, MAX_SAFE_INTEGER = 9007199254740991, LN10_PRECISION = ln10.length - 1, PI_PRECISION = pi.length - 1, // Decimal.prototype object P = {}; // Decimal prototype methods /* * absoluteValue abs * ceil * comparedTo cmp * cosine cos * cubeRoot cbrt * decimalPlaces dp * dividedBy div * dividedToIntegerBy divToInt * equals eq * floor * greaterThan gt * greaterThanOrEqualTo gte * hyperbolicCosine cosh * hyperbolicSine sinh * hyperbolicTangent tanh * inverseCosine acos * inverseHyperbolicCosine acosh * inverseHyperbolicSine asinh * inverseHyperbolicTangent atanh * inverseSine asin * inverseTangent atan * isFinite * isInteger isInt * isNaN * isNegative isNeg * isPositive isPos * isZero * lessThan lt * lessThanOrEqualTo lte * logarithm log * [maximum] [max] * [minimum] [min] * minus sub * modulo mod * naturalExponential exp * naturalLogarithm ln * negated neg * plus add * precision sd * round * sine sin * squareRoot sqrt * tangent tan * times mul * toBinary * toDecimalPlaces toDP * toExponential * toFixed * toFraction * toHexadecimal toHex * toNearest * toNumber * toOctal * toPower pow * toPrecision * toSignificantDigits toSD * toString * truncated trunc * valueOf toJSON */ /* * Return a new Decimal whose value is the absolute value of this Decimal. * */ P.absoluteValue = P.abs = function () { var x = new this.constructor(this); if (x.s < 0) x.s = 1; return finalise(x); }; /* * Return a new Decimal whose value is the value of this Decimal rounded to a whole number in the * direction of positive Infinity. * */ P.ceil = function () { return finalise(new this.constructor(this), this.e + 1, 2); }; /* * Return * 1 if the value of this Decimal is greater than the value of `y`, * -1 if the value of this Decimal is less than the value of `y`, * 0 if they have the same value, * NaN if the value of either Decimal is NaN. * */ P.comparedTo = P.cmp = function (y) { var i, j, xdL, ydL, x = this, xd = x.d, yd = (y = new x.constructor(y)).d, xs = x.s, ys = y.s; // Either NaN or ±Infinity? if (!xd || !yd) { return !xs || !ys ? NaN : xs !== ys ? xs : xd === yd ? 0 : !xd ^ xs < 0 ? 1 : -1; } // Either zero? if (!xd[0] || !yd[0]) return xd[0] ? xs : yd[0] ? -ys : 0; // Signs differ? if (xs !== ys) return xs; // Compare exponents. if (x.e !== y.e) return x.e > y.e ^ xs < 0 ? 1 : -1; xdL = xd.length; ydL = yd.length; // Compare digit by digit. for (i = 0, j = xdL < ydL ? xdL : ydL; i < j; ++i) { if (xd[i] !== yd[i]) return xd[i] > yd[i] ^ xs < 0 ? 1 : -1; } // Compare lengths. return xdL === ydL ? 0 : xdL > ydL ^ xs < 0 ? 1 : -1; }; /* * Return a new Decimal whose value is the cosine of the value in radians of this Decimal. * * Domain: [-Infinity, Infinity] * Range: [-1, 1] * * cos(0) = 1 * cos(-0) = 1 * cos(Infinity) = NaN * cos(-Infinity) = NaN * cos(NaN) = NaN * */ P.cosine = P.cos = function () { var pr, rm, x = this, Ctor = x.constructor; if (!x.d) return new Ctor(NaN); // cos(0) = cos(-0) = 1 if (!x.d[0]) return new Ctor(1); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + Math.max(x.e, x.sd()) + LOG_BASE; Ctor.rounding = 1; x = cosine(Ctor, toLessThanHalfPi(Ctor, x)); Ctor.precision = pr; Ctor.rounding = rm; return finalise(quadrant == 2 || quadrant == 3 ? x.neg() : x, pr, rm, true); }; /* * * Return a new Decimal whose value is the cube root of the value of this Decimal, rounded to * `precision` significant digits using rounding mode `rounding`. * * cbrt(0) = 0 * cbrt(-0) = -0 * cbrt(1) = 1 * cbrt(-1) = -1 * cbrt(N) = N * cbrt(-I) = -I * cbrt(I) = I * * Math.cbrt(x) = (x < 0 ? -Math.pow(-x, 1/3) : Math.pow(x, 1/3)) * */ P.cubeRoot = P.cbrt = function () { var e, m, n, r, rep, s, sd, t, t3, t3plusx, x = this, Ctor = x.constructor; if (!x.isFinite() || x.isZero()) return new Ctor(x); external = false; // Initial estimate. s = x.s * Math.pow(x.s * x, 1 / 3); // Math.cbrt underflow/overflow? // Pass x to Math.pow as integer, then adjust the exponent of the result. if (!s || Math.abs(s) == 1 / 0) { n = digitsToString(x.d); e = x.e; // Adjust n exponent so it is a multiple of 3 away from x exponent. if (s = (e - n.length + 1) % 3) n += (s == 1 || s == -2 ? '0' : '00'); s = Math.pow(n, 1 / 3); // Rarely, e may be one less than the result exponent value. e = mathfloor((e + 1) / 3) - (e % 3 == (e < 0 ? -1 : 2)); if (s == 1 / 0) { n = '5e' + e; } else { n = s.toExponential(); n = n.slice(0, n.indexOf('e') + 1) + e; } r = new Ctor(n); r.s = x.s; } else { r = new Ctor(s.toString()); } sd = (e = Ctor.precision) + 3; // Halley's method. // TODO? Compare Newton's method. for (;;) { t = r; t3 = t.times(t).times(t); t3plusx = t3.plus(x); r = divide(t3plusx.plus(x).times(t), t3plusx.plus(t3), sd + 2, 1); // TODO? Replace with for-loop and checkRoundingDigits. if (digitsToString(t.d).slice(0, sd) === (n = digitsToString(r.d)).slice(0, sd)) { n = n.slice(sd - 3, sd + 1); // The 4th rounding digit may be in error by -1 so if the 4 rounding digits are 9999 or 4999 // , i.e. approaching a rounding boundary, continue the iteration. if (n == '9999' || !rep && n == '4999') { // On the first iteration only, check to see if rounding up gives the exact result as the // nines may infinitely repeat. if (!rep) { finalise(t, e + 1, 0); if (t.times(t).times(t).eq(x)) { r = t; break; } } sd += 4; rep = 1; } else { // If the rounding digits are null, 0{0,4} or 50{0,3}, check for an exact result. // If not, then there are further digits and m will be truthy. if (!+n || !+n.slice(1) && n.charAt(0) == '5') { // Truncate to the first rounding digit. finalise(r, e + 1, 1); m = !r.times(r).times(r).eq(x); } break; } } } external = true; return finalise(r, e, Ctor.rounding, m); }; /* * Return the number of decimal places of the value of this Decimal. * */ P.decimalPlaces = P.dp = function () { var w, d = this.d, n = NaN; if (d) { w = d.length - 1; n = (w - mathfloor(this.e / LOG_BASE)) * LOG_BASE; // Subtract the number of trailing zeros of the last word. w = d[w]; if (w) for (; w % 10 == 0; w /= 10) n--; if (n < 0) n = 0; } return n; }; /* * n / 0 = I * n / N = N * n / I = 0 * 0 / n = 0 * 0 / 0 = N * 0 / N = N * 0 / I = 0 * N / n = N * N / 0 = N * N / N = N * N / I = N * I / n = I * I / 0 = I * I / N = N * I / I = N * * Return a new Decimal whose value is the value of this Decimal divided by `y`, rounded to * `precision` significant digits using rounding mode `rounding`. * */ P.dividedBy = P.div = function (y) { return divide(this, new this.constructor(y)); }; /* * Return a new Decimal whose value is the integer part of dividing the value of this Decimal * by the value of `y`, rounded to `precision` significant digits using rounding mode `rounding`. * */ P.dividedToIntegerBy = P.divToInt = function (y) { var x = this, Ctor = x.constructor; return finalise(divide(x, new Ctor(y), 0, 1, 1), Ctor.precision, Ctor.rounding); }; /* * Return true if the value of this Decimal is equal to the value of `y`, otherwise return false. * */ P.equals = P.eq = function (y) { return this.cmp(y) === 0; }; /* * Return a new Decimal whose value is the value of this Decimal rounded to a whole number in the * direction of negative Infinity. * */ P.floor = function () { return finalise(new this.constructor(this), this.e + 1, 3); }; /* * Return true if the value of this Decimal is greater than the value of `y`, otherwise return * false. * */ P.greaterThan = P.gt = function (y) { return this.cmp(y) > 0; }; /* * Return true if the value of this Decimal is greater than or equal to the value of `y`, * otherwise return false. * */ P.greaterThanOrEqualTo = P.gte = function (y) { var k = this.cmp(y); return k == 1 || k === 0; }; /* * Return a new Decimal whose value is the hyperbolic cosine of the value in radians of this * Decimal. * * Domain: [-Infinity, Infinity] * Range: [1, Infinity] * * cosh(x) = 1 + x^2/2! + x^4/4! + x^6/6! + ... * * cosh(0) = 1 * cosh(-0) = 1 * cosh(Infinity) = Infinity * cosh(-Infinity) = Infinity * cosh(NaN) = NaN * * x time taken (ms) result * 1000 9 9.8503555700852349694e+433 * 10000 25 4.4034091128314607936e+4342 * 100000 171 1.4033316802130615897e+43429 * 1000000 3817 1.5166076984010437725e+434294 * 10000000 abandoned after 2 minute wait * * TODO? Compare performance of cosh(x) = 0.5 * (exp(x) + exp(-x)) * */ P.hyperbolicCosine = P.cosh = function () { var k, n, pr, rm, len, x = this, Ctor = x.constructor, one = new Ctor(1); if (!x.isFinite()) return new Ctor(x.s ? 1 / 0 : NaN); if (x.isZero()) return one; pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + Math.max(x.e, x.sd()) + 4; Ctor.rounding = 1; len = x.d.length; // Argument reduction: cos(4x) = 1 - 8cos^2(x) + 8cos^4(x) + 1 // i.e. cos(x) = 1 - cos^2(x/4)(8 - 8cos^2(x/4)) // Estimate the optimum number of times to use the argument reduction. // TODO? Estimation reused from cosine() and may not be optimal here. if (len < 32) { k = Math.ceil(len / 3); n = Math.pow(4, -k).toString(); } else { k = 16; n = '2.3283064365386962890625e-10'; } x = taylorSeries(Ctor, 1, x.times(n), new Ctor(1), true); // Reverse argument reduction var cosh2_x, i = k, d8 = new Ctor(8); for (; i--;) { cosh2_x = x.times(x); x = one.minus(cosh2_x.times(d8.minus(cosh2_x.times(d8)))); } return finalise(x, Ctor.precision = pr, Ctor.rounding = rm, true); }; /* * Return a new Decimal whose value is the hyperbolic sine of the value in radians of this * Decimal. * * Domain: [-Infinity, Infinity] * Range: [-Infinity, Infinity] * * sinh(x) = x + x^3/3! + x^5/5! + x^7/7! + ... * * sinh(0) = 0 * sinh(-0) = -0 * sinh(Infinity) = Infinity * sinh(-Infinity) = -Infinity * sinh(NaN) = NaN * * x time taken (ms) * 10 2 ms * 100 5 ms * 1000 14 ms * 10000 82 ms * 100000 886 ms 1.4033316802130615897e+43429 * 200000 2613 ms * 300000 5407 ms * 400000 8824 ms * 500000 13026 ms 8.7080643612718084129e+217146 * 1000000 48543 ms * * TODO? Compare performance of sinh(x) = 0.5 * (exp(x) - exp(-x)) * */ P.hyperbolicSine = P.sinh = function () { var k, pr, rm, len, x = this, Ctor = x.constructor; if (!x.isFinite() || x.isZero()) return new Ctor(x); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + Math.max(x.e, x.sd()) + 4; Ctor.rounding = 1; len = x.d.length; if (len < 3) { x = taylorSeries(Ctor, 2, x, x, true); } else { // Alternative argument reduction: sinh(3x) = sinh(x)(3 + 4sinh^2(x)) // i.e. sinh(x) = sinh(x/3)(3 + 4sinh^2(x/3)) // 3 multiplications and 1 addition // Argument reduction: sinh(5x) = sinh(x)(5 + sinh^2(x)(20 + 16sinh^2(x))) // i.e. sinh(x) = sinh(x/5)(5 + sinh^2(x/5)(20 + 16sinh^2(x/5))) // 4 multiplications and 2 additions // Estimate the optimum number of times to use the argument reduction. k = 1.4 * Math.sqrt(len); k = k > 16 ? 16 : k | 0; x = x.times(Math.pow(5, -k)); x = taylorSeries(Ctor, 2, x, x, true); // Reverse argument reduction var sinh2_x, d5 = new Ctor(5), d16 = new Ctor(16), d20 = new Ctor(20); for (; k--;) { sinh2_x = x.times(x); x = x.times(d5.plus(sinh2_x.times(d16.times(sinh2_x).plus(d20)))); } } Ctor.precision = pr; Ctor.rounding = rm; return finalise(x, pr, rm, true); }; /* * Return a new Decimal whose value is the hyperbolic tangent of the value in radians of this * Decimal. * * Domain: [-Infinity, Infinity] * Range: [-1, 1] * * tanh(x) = sinh(x) / cosh(x) * * tanh(0) = 0 * tanh(-0) = -0 * tanh(Infinity) = 1 * tanh(-Infinity) = -1 * tanh(NaN) = NaN * */ P.hyperbolicTangent = P.tanh = function () { var pr, rm, x = this, Ctor = x.constructor; if (!x.isFinite()) return new Ctor(x.s); if (x.isZero()) return new Ctor(x); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + 7; Ctor.rounding = 1; return divide(x.sinh(), x.cosh(), Ctor.precision = pr, Ctor.rounding = rm); }; /* * Return a new Decimal whose value is the arccosine (inverse cosine) in radians of the value of * this Decimal. * * Domain: [-1, 1] * Range: [0, pi] * * acos(x) = pi/2 - asin(x) * * acos(0) = pi/2 * acos(-0) = pi/2 * acos(1) = 0 * acos(-1) = pi * acos(1/2) = pi/3 * acos(-1/2) = 2*pi/3 * acos(|x| > 1) = NaN * acos(NaN) = NaN * */ P.inverseCosine = P.acos = function () { var halfPi, x = this, Ctor = x.constructor, k = x.abs().cmp(1), pr = Ctor.precision, rm = Ctor.rounding; if (k !== -1) { return k === 0 // |x| is 1 ? x.isNeg() ? getPi(Ctor, pr, rm) : new Ctor(0) // |x| > 1 or x is NaN : new Ctor(NaN); } if (x.isZero()) return getPi(Ctor, pr + 4, rm).times(0.5); // TODO? Special case acos(0.5) = pi/3 and acos(-0.5) = 2*pi/3 Ctor.precision = pr + 6; Ctor.rounding = 1; x = x.asin(); halfPi = getPi(Ctor, pr + 4, rm).times(0.5); Ctor.precision = pr; Ctor.rounding = rm; return halfPi.minus(x); }; /* * Return a new Decimal whose value is the inverse of the hyperbolic cosine in radians of the * value of this Decimal. * * Domain: [1, Infinity] * Range: [0, Infinity] * * acosh(x) = ln(x + sqrt(x^2 - 1)) * * acosh(x < 1) = NaN * acosh(NaN) = NaN * acosh(Infinity) = Infinity * acosh(-Infinity) = NaN * acosh(0) = NaN * acosh(-0) = NaN * acosh(1) = 0 * acosh(-1) = NaN * */ P.inverseHyperbolicCosine = P.acosh = function () { var pr, rm, x = this, Ctor = x.constructor; if (x.lte(1)) return new Ctor(x.eq(1) ? 0 : NaN); if (!x.isFinite()) return new Ctor(x); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + Math.max(Math.abs(x.e), x.sd()) + 4; Ctor.rounding = 1; external = false; x = x.times(x).minus(1).sqrt().plus(x); external = true; Ctor.precision = pr; Ctor.rounding = rm; return x.ln(); }; /* * Return a new Decimal whose value is the inverse of the hyperbolic sine in radians of the value * of this Decimal. * * Domain: [-Infinity, Infinity] * Range: [-Infinity, Infinity] * * asinh(x) = ln(x + sqrt(x^2 + 1)) * * asinh(NaN) = NaN * asinh(Infinity) = Infinity * asinh(-Infinity) = -Infinity * asinh(0) = 0 * asinh(-0) = -0 * */ P.inverseHyperbolicSine = P.asinh = function () { var pr, rm, x = this, Ctor = x.constructor; if (!x.isFinite() || x.isZero()) return new Ctor(x); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + 2 * Math.max(Math.abs(x.e), x.sd()) + 6; Ctor.rounding = 1; external = false; x = x.times(x).plus(1).sqrt().plus(x); external = true; Ctor.precision = pr; Ctor.rounding = rm; return x.ln(); }; /* * Return a new Decimal whose value is the inverse of the hyperbolic tangent in radians of the * value of this Decimal. * * Domain: [-1, 1] * Range: [-Infinity, Infinity] * * atanh(x) = 0.5 * ln((1 + x) / (1 - x)) * * atanh(|x| > 1) = NaN * atanh(NaN) = NaN * atanh(Infinity) = NaN * atanh(-Infinity) = NaN * atanh(0) = 0 * atanh(-0) = -0 * atanh(1) = Infinity * atanh(-1) = -Infinity * */ P.inverseHyperbolicTangent = P.atanh = function () { var pr, rm, wpr, xsd, x = this, Ctor = x.constructor; if (!x.isFinite()) return new Ctor(NaN); if (x.e >= 0) return new Ctor(x.abs().eq(1) ? x.s / 0 : x.isZero() ? x : NaN); pr = Ctor.precision; rm = Ctor.rounding; xsd = x.sd(); if (Math.max(xsd, pr) < 2 * -x.e - 1) return finalise(new Ctor(x), pr, rm, true); Ctor.precision = wpr = xsd - x.e; x = divide(x.plus(1), new Ctor(1).minus(x), wpr + pr, 1); Ctor.precision = pr + 4; Ctor.rounding = 1; x = x.ln(); Ctor.precision = pr; Ctor.rounding = rm; return x.times(0.5); }; /* * Return a new Decimal whose value is the arcsine (inverse sine) in radians of the value of this * Decimal. * * Domain: [-Infinity, Infinity] * Range: [-pi/2, pi/2] * * asin(x) = 2*atan(x/(1 + sqrt(1 - x^2))) * * asin(0) = 0 * asin(-0) = -0 * asin(1/2) = pi/6 * asin(-1/2) = -pi/6 * asin(1) = pi/2 * asin(-1) = -pi/2 * asin(|x| > 1) = NaN * asin(NaN) = NaN * * TODO? Compare performance of Taylor series. * */ P.inverseSine = P.asin = function () { var halfPi, k, pr, rm, x = this, Ctor = x.constructor; if (x.isZero()) return new Ctor(x); k = x.abs().cmp(1); pr = Ctor.precision; rm = Ctor.rounding; if (k !== -1) { // |x| is 1 if (k === 0) { halfPi = getPi(Ctor, pr + 4, rm).times(0.5); halfPi.s = x.s; return halfPi; } // |x| > 1 or x is NaN return new Ctor(NaN); } // TODO? Special case asin(1/2) = pi/6 and asin(-1/2) = -pi/6 Ctor.precision = pr + 6; Ctor.rounding = 1; x = x.div(new Ctor(1).minus(x.times(x)).sqrt().plus(1)).atan(); Ctor.precision = pr; Ctor.rounding = rm; return x.times(2); }; /* * Return a new Decimal whose value is the arctangent (inverse tangent) in radians of the value * of this Decimal. * * Domain: [-Infinity, Infinity] * Range: [-pi/2, pi/2] * * atan(x) = x - x^3/3 + x^5/5 - x^7/7 + ... * * atan(0) = 0 * atan(-0) = -0 * atan(1) = pi/4 * atan(-1) = -pi/4 * atan(Infinity) = pi/2 * atan(-Infinity) = -pi/2 * atan(NaN) = NaN * */ P.inverseTangent = P.atan = function () { var i, j, k, n, px, t, r, wpr, x2, x = this, Ctor = x.constructor, pr = Ctor.precision, rm = Ctor.rounding; if (!x.isFinite()) { if (!x.s) return new Ctor(NaN); if (pr + 4 <= PI_PRECISION) { r = getPi(Ctor, pr + 4, rm).times(0.5); r.s = x.s; return r; } } else if (x.isZero()) { return new Ctor(x); } else if (x.abs().eq(1) && pr + 4 <= PI_PRECISION) { r = getPi(Ctor, pr + 4, rm).times(0.25); r.s = x.s; return r; } Ctor.precision = wpr = pr + 10; Ctor.rounding = 1; // TODO? if (x >= 1 && pr <= PI_PRECISION) atan(x) = halfPi * x.s - atan(1 / x); // Argument reduction // Ensure |x| < 0.42 // atan(x) = 2 * atan(x / (1 + sqrt(1 + x^2))) k = Math.min(28, wpr / LOG_BASE + 2 | 0); for (i = k; i; --i) x = x.div(x.times(x).plus(1).sqrt().plus(1)); external = false; j = Math.ceil(wpr / LOG_BASE); n = 1; x2 = x.times(x); r = new Ctor(x); px = x; // atan(x) = x - x^3/3 + x^5/5 - x^7/7 + ... for (; i !== -1;) { px = px.times(x2); t = r.minus(px.div(n += 2)); px = px.times(x2); r = t.plus(px.div(n += 2)); if (r.d[j] !== void 0) for (i = j; r.d[i] === t.d[i] && i--;); } if (k) r = r.times(2 << (k - 1)); external = true; return finalise(r, Ctor.precision = pr, Ctor.rounding = rm, true); }; /* * Return true if the value of this Decimal is a finite number, otherwise return false. * */ P.isFinite = function () { return !!this.d; }; /* * Return true if the value of this Decimal is an integer, otherwise return false. * */ P.isInteger = P.isInt = function () { return !!this.d && mathfloor(this.e / LOG_BASE) > this.d.length - 2; }; /* * Return true if the value of this Decimal is NaN, otherwise return false. * */ P.isNaN = function () { return !this.s; }; /* * Return true if the value of this Decimal is negative, otherwise return false. * */ P.isNegative = P.isNeg = function () { return this.s < 0; }; /* * Return true if the value of this Decimal is positive, otherwise return false. * */ P.isPositive = P.isPos = function () { return this.s > 0; }; /* * Return true if the value of this Decimal is 0 or -0, otherwise return false. * */ P.isZero = function () { return !!this.d && this.d[0] === 0; }; /* * Return true if the value of this Decimal is less than `y`, otherwise return false. * */ P.lessThan = P.lt = function (y) { return this.cmp(y) < 0; }; /* * Return true if the value of this Decimal is less than or equal to `y`, otherwise return false. * */ P.lessThanOrEqualTo = P.lte = function (y) { return this.cmp(y) < 1; }; /* * Return the logarithm of the value of this Decimal to the specified base, rounded to `precision` * significant digits using rounding mode `rounding`. * * If no base is specified, return log[10](arg). * * log[base](arg) = ln(arg) / ln(base) * * The result will always be correctly rounded if the base of the log is 10, and 'almost always' * otherwise: * * Depending on the rounding mode, the result may be incorrectly rounded if the first fifteen * rounding digits are [49]99999999999999 or [50]00000000000000. In that case, the maximum error * between the result and the correctly rounded result will be one ulp (unit in the last place). * * log[-b](a) = NaN * log[0](a) = NaN * log[1](a) = NaN * log[NaN](a) = NaN * log[Infinity](a) = NaN * log[b](0) = -Infinity * log[b](-0) = -Infinity * log[b](-a) = NaN * log[b](1) = 0 * log[b](Infinity) = Infinity * log[b](NaN) = NaN * * [base] {number|string|Decimal} The base of the logarithm. * */ P.logarithm = P.log = function (base) { var isBase10, d, denominator, k, inf, num, sd, r, arg = this, Ctor = arg.constructor, pr = Ctor.precision, rm = Ctor.rounding, guard = 5; // Default base is 10. if (base == null) { base = new Ctor(10); isBase10 = true; } else { base = new Ctor(base); d = base.d; // Return NaN if base is negative, or non-finite, or is 0 or 1. if (base.s < 0 || !d || !d[0] || base.eq(1)) return new Ctor(NaN); isBase10 = base.eq(10); } d = arg.d; // Is arg negative, non-finite, 0 or 1? if (arg.s < 0 || !d || !d[0] || arg.eq(1)) { return new Ctor(d && !d[0] ? -1 / 0 : arg.s != 1 ? NaN : d ? 0 : 1 / 0); } // The result will have a non-terminating decimal expansion if base is 10 and arg is not an // integer power of 10. if (isBase10) { if (d.length > 1) { inf = true; } else { for (k = d[0]; k % 10 === 0;) k /= 10; inf = k !== 1; } } external = false; sd = pr + guard; num = naturalLogarithm(arg, sd); denominator = isBase10 ? getLn10(Ctor, sd + 10) : naturalLogarithm(base, sd); // The result will have 5 rounding digits. r = divide(num, denominator, sd, 1); // If at a rounding boundary, i.e. the result's rounding digits are [49]9999 or [50]0000, // calculate 10 further digits. // // If the result is known to have an infinite decimal expansion, repeat this until it is clear // that the result is above or below the boundary. Otherwise, if after calculating the 10 // further digits, the last 14 are nines, round up and assume the result is exact. // Also assume the result is exact if the last 14 are zero. // // Example of a result that will be incorrectly rounded: // log[1048576](4503599627370502) = 2.60000000000000009610279511444746... // The above result correctly rounded using ROUND_CEIL to 1 decimal place should be 2.7, but it // will be given as 2.6 as there are 15 zeros immediately after the requested decimal place, so // the exact result would be assumed to be 2.6, which rounded using ROUND_CEIL to 1 decimal // place is still 2.6. if (checkRoundingDigits(r.d, k = pr, rm)) { do { sd += 10; num = naturalLogarithm(arg, sd); denominator = isBase10 ? getLn10(Ctor, sd + 10) : naturalLogarithm(base, sd); r = divide(num, denominator, sd, 1); if (!inf) { // Check for 14 nines from the 2nd rounding digit, as the first may be 4. if (+digitsToString(r.d).slice(k + 1, k + 15) + 1 == 1e14) { r = finalise(r, pr + 1, 0); } break; } } while (checkRoundingDigits(r.d, k += 10, rm)); } external = true; return finalise(r, pr, rm); }; /* * Return a new Decimal whose value is the maximum of the arguments and the value of this Decimal. * * arguments {number|string|Decimal} * P.max = function () { Array.prototype.push.call(arguments, this); return maxOrMin(this.constructor, arguments, 'lt'); }; */ /* * Return a new Decimal whose value is the minimum of the arguments and the value of this Decimal. * * arguments {number|string|Decimal} * P.min = function () { Array.prototype.push.call(arguments, this); return maxOrMin(this.constructor, arguments, 'gt'); }; */ /* * n - 0 = n * n - N = N * n - I = -I * 0 - n = -n * 0 - 0 = 0 * 0 - N = N * 0 - I = -I * N - n = N * N - 0 = N * N - N = N * N - I = N * I - n = I * I - 0 = I * I - N = N * I - I = N * * Return a new Decimal whose value is the value of this Decimal minus `y`, rounded to `precision` * significant digits using rounding mode `rounding`. * */ P.minus = P.sub = function (y) { var d, e, i, j, k, len, pr, rm, xd, xe, xLTy, yd, x = this, Ctor = x.constructor; y = new Ctor(y); // If either is not finite... if (!x.d || !y.d) { // Return NaN if either is NaN. if (!x.s || !y.s) y = new Ctor(NaN); // Return y negated if x is finite and y is ±Infinity. else if (x.d) y.s = -y.s; // Return x if y is finite and x is ±Infinity. // Return x if both are ±Infinity with different signs. // Return NaN if both are ±Infinity with the same sign. else y = new Ctor(y.d || x.s !== y.s ? x : NaN); return y; } // If signs differ... if (x.s != y.s) { y.s = -y.s; return x.plus(y); } xd = x.d; yd = y.d; pr = Ctor.precision; rm = Ctor.rounding; // If either is zero... if (!xd[0] || !yd[0]) { // Return y negated if x is zero and y is non-zero. if (yd[0]) y.s = -y.s; // Return x if y is zero and x is non-zero. else if (xd[0]) y = new Ctor(x); // Return zero if both are zero. // From IEEE 754 (2008) 6.3: 0 - 0 = -0 - -0 = -0 when rounding to -Infinity. else return new Ctor(rm === 3 ? -0 : 0); return external ? finalise(y, pr, rm) : y; } // x and y are finite, non-zero numbers with the same sign. // Calculate base 1e7 exponents. e = mathfloor(y.e / LOG_BASE); xe = mathfloor(x.e / LOG_BASE); xd = xd.slice(); k = xe - e; // If base 1e7 exponents differ... if (k) { xLTy = k < 0; if (xLTy) { d = xd; k = -k; len = yd.length; } else { d = yd; e = xe; len = xd.length; } // Numbers with massively different exponents would result in a very high number of // zeros needing to be prepended, but this can be avoided while still ensuring correct // rounding by limiting the number of zeros to `Math.ceil(pr / LOG_BASE) + 2`. i = Math.max(Math.ceil(pr / LOG_BASE), len) + 2; if (k > i) { k = i; d.length = 1; } // Prepend zeros to equalise exponents. d.reverse(); for (i = k; i--;) d.push(0); d.reverse(); // Base 1e7 exponents equal. } else { // Check digits to determine which is the bigger number. i = xd.length; len = yd.length; xLTy = i < len; if (xLTy) len = i; for (i = 0; i < len; i++) { if (xd[i] != yd[i]) { xLTy = xd[i] < yd[i]; break; } } k = 0; } if (xLTy) { d = xd; xd = yd; yd = d; y.s = -y.s; } len = xd.length; // Append zeros to `xd` if shorter. // Don't add zeros to `yd` if shorter as subtraction only needs to start at `yd` length. for (i = yd.length - len; i > 0; --i) xd[len++] = 0; // Subtract yd from xd. for (i = yd.length; i > k;) { if (xd[--i] < yd[i]) { for (j = i; j && xd[--j] === 0;) xd[j] = BASE - 1; --xd[j]; xd[i] += BASE; } xd[i] -= yd[i]; } // Remove trailing zeros. for (; xd[--len] === 0;) xd.pop(); // Remove leading zeros and adjust exponent accordingly. for (; xd[0] === 0; xd.shift()) --e; // Zero? if (!xd[0]) return new Ctor(rm === 3 ? -0 : 0); y.d = xd; y.e = getBase10Exponent(xd, e); return external ? finalise(y, pr, rm) : y; }; /* * n % 0 = N * n % N = N * n % I = n * 0 % n = 0 * -0 % n = -0 * 0 % 0 = N * 0 % N = N * 0 % I = 0 * N % n = N * N % 0 = N * N % N = N * N % I = N * I % n = N * I % 0 = N * I % N = N * I % I = N * * Return a new Decimal whose value is the value of this Decimal modulo `y`, rounded to * `precision` significant digits using rounding mode `rounding`. * * The result depends on the modulo mode. * */ P.modulo = P.mod = function (y) { var q, x = this, Ctor = x.constructor; y = new Ctor(y); // Return NaN if x is ±Infinity or NaN, or y is NaN or ±0. if (!x.d || !y.s || y.d && !y.d[0]) return new Ctor(NaN); // Return x if y is ±Infinity or x is ±0. if (!y.d || x.d && !x.d[0]) { return finalise(new Ctor(x), Ctor.precision, Ctor.rounding); } // Prevent rounding of intermediate calculations. external = false; if (Ctor.modulo == 9) { // Euclidian division: q = sign(y) * floor(x / abs(y)) // result = x - q * y where 0 <= result < abs(y) q = divide(x, y.abs(), 0, 3, 1); q.s *= y.s; } else { q = divide(x, y, 0, Ctor.modulo, 1); } q = q.times(y); external = true; return x.minus(q); }; /* * Return a new Decimal whose value is the natural exponential of the value of this Decimal, * i.e. the base e raised to the power the value of this Decimal, rounded to `precision` * significant digits using rounding mode `rounding`. * */ P.naturalExponential = P.exp = function () { return naturalExponential(this); }; /* * Return a new Decimal whose value is the natural logarithm of the value of this Decimal, * rounded to `precision` significant digits using rounding mode `rounding`. * */ P.naturalLogarithm = P.ln = function () { return naturalLogarithm(this); }; /* * Return a new Decimal whose value is the value of this Decimal negated, i.e. as if multiplied by * -1. * */ P.negated = P.neg = function () { var x = new this.constructor(this); x.s = -x.s; return finalise(x); }; /* * n + 0 = n * n + N = N * n + I = I * 0 + n = n * 0 + 0 = 0 * 0 + N = N * 0 + I = I * N + n = N * N + 0 = N * N + N = N * N + I = N * I + n = I * I + 0 = I * I + N = N * I + I = I * * Return a new Decimal whose value is the value of this Decimal plus `y`, rounded to `precision` * significant digits using rounding mode `rounding`. * */ P.plus = P.add = function (y) { var carry, d, e, i, k, len, pr, rm, xd, yd, x = this, Ctor = x.constructor; y = new Ctor(y); // If either is not finite... if (!x.d || !y.d) { // Return NaN if either is NaN. if (!x.s || !y.s) y = new Ctor(NaN); // Return x if y is finite and x is ±Infinity. // Return x if both are ±Infinity with the same sign. // Return NaN if both are ±Infinity with different signs. // Return y if x is finite and y is ±Infinity. else if (!x.d) y = new Ctor(y.d || x.s === y.s ? x : NaN); return y; } // If signs differ... if (x.s != y.s) { y.s = -y.s; return x.minus(y); } xd = x.d; yd = y.d; pr = Ctor.precision; rm = Ctor.rounding; // If either is zero... if (!xd[0] || !yd[0]) { // Return x if y is zero. // Return y if y is non-zero. if (!yd[0]) y = new Ctor(x); return external ? finalise(y, pr, rm) : y; } // x and y are finite, non-zero numbers with the same sign. // Calculate base 1e7 exponents. k = mathfloor(x.e / LOG_BASE); e = mathfloor(y.e / LOG_BASE); xd = xd.slice(); i = k - e; // If base 1e7 exponents differ... if (i) { if (i < 0) { d = xd; i = -i; len = yd.length; } else { d = yd; e = k; len = xd.length; } // Limit number of zeros prepended to max(ceil(pr / LOG_BASE), len) + 1. k = Math.ceil(pr / LOG_BASE); len = k > len ? k + 1 : len + 1; if (i > len) { i = len; d.length = 1; } // Prepend zeros to equalise exponents. Note: Faster to use reverse then do unshifts. d.reverse(); for (; i--;) d.push(0); d.reverse(); } len = xd.length; i = yd.length; // If yd is longer than xd, swap xd and yd so xd points to the longer array. if (len - i < 0) { i = len; d = yd; yd = xd; xd = d; } // Only start adding at yd.length - 1 as the further digits of xd can be left as they are. for (carry = 0; i;) { carry = (xd[--i] = xd[i] + yd[i] + carry) / BASE | 0; xd[i] %= BASE; } if (carry) { xd.unshift(carry); ++e; } // Remove trailing zeros. // No need to check for zero, as +x + +y != 0 && -x + -y != 0 for (len = xd.length; xd[--len] == 0;) xd.pop(); y.d = xd; y.e = getBase10Exponent(xd, e); return external ? finalise(y, pr, rm) : y; }; /* * Return the number of significant digits of the value of this Decimal. * * [z] {boolean|number} Whether to count integer-part trailing zeros: true, false, 1 or 0. * */ P.precision = P.sd = function (z) { var k, x = this; if (z !== void 0 && z !== !!z && z !== 1 && z !== 0) throw Error(invalidArgument + z); if (x.d) { k = getPrecision(x.d); if (z && x.e + 1 > k) k = x.e + 1; } else { k = NaN; } return k; }; /* * Return a new Decimal whose value is the value of this Decimal rounded to a whole number using * rounding mode `rounding`. * */ P.round = function () { var x = this, Ctor = x.constructor; return finalise(new Ctor(x), x.e + 1, Ctor.rounding); }; /* * Return a new Decimal whose value is the sine of the value in radians of this Decimal. * * Domain: [-Infinity, Infinity] * Range: [-1, 1] * * sin(x) = x - x^3/3! + x^5/5! - ... * * sin(0) = 0 * sin(-0) = -0 * sin(Infinity) = NaN * sin(-Infinity) = NaN * sin(NaN) = NaN * */ P.sine = P.sin = function () { var pr, rm, x = this, Ctor = x.constructor; if (!x.isFinite()) return new Ctor(NaN); if (x.isZero()) return new Ctor(x); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + Math.max(x.e, x.sd()) + LOG_BASE; Ctor.rounding = 1; x = sine(Ctor, toLessThanHalfPi(Ctor, x)); Ctor.precision = pr; Ctor.rounding = rm; return finalise(quadrant > 2 ? x.neg() : x, pr, rm, true); }; /* * Return a new Decimal whose value is the square root of this Decimal, rounded to `precision` * significant digits using rounding mode `rounding`. * * sqrt(-n) = N * sqrt(N) = N * sqrt(-I) = N * sqrt(I) = I * sqrt(0) = 0 * sqrt(-0) = -0 * */ P.squareRoot = P.sqrt = function () { var m, n, sd, r, rep, t, x = this, d = x.d, e = x.e, s = x.s, Ctor = x.constructor; // Negative/NaN/Infinity/zero? if (s !== 1 || !d || !d[0]) { return new Ctor(!s || s < 0 && (!d || d[0]) ? NaN : d ? x : 1 / 0); } external = false; // Initial estimate. s = Math.sqrt(+x); // Math.sqrt underflow/overflow? // Pass x to Math.sqrt as integer, then adjust the exponent of the result. if (s == 0 || s == 1 / 0) { n = digitsToString(d); if ((n.length + e) % 2 == 0) n += '0'; s = Math.sqrt(n); e = mathfloor((e + 1) / 2) - (e < 0 || e % 2); if (s == 1 / 0) { n = '1e' + e; } else { n = s.toExponential(); n = n.slice(0, n.indexOf('e') + 1) + e; } r = new Ctor(n); } else { r = new Ctor(s.toString()); } sd = (e = Ctor.precision) + 3; // Newton-Raphson iteration. for (;;) { t = r; r = t.plus(divide(x, t, sd + 2, 1)).times(0.5); // TODO? Replace with for-loop and checkRoundingDigits. if (digitsToString(t.d).slice(0, sd) === (n = digitsToString(r.d)).slice(0, sd)) { n = n.slice(sd - 3, sd + 1); // The 4th rounding digit may be in error by -1 so if the 4 rounding digits are 9999 or // 4999, i.e. approaching a rounding boundary, continue the iteration. if (n == '9999' || !rep && n == '4999') { // On the first iteration only, check to see if rounding up gives the exact result as the // nines may infinitely repeat. if (!rep) { finalise(t, e + 1, 0); if (t.times(t).eq(x)) { r = t; break; } } sd += 4; rep = 1; } else { // If the rounding digits are null, 0{0,4} or 50{0,3}, check for an exact result. // If not, then there are further digits and m will be truthy. if (!+n || !+n.slice(1) && n.charAt(0) == '5') { // Truncate to the first rounding digit. finalise(r, e + 1, 1); m = !r.times(r).eq(x); } break; } } } external = true; return finalise(r, e, Ctor.rounding, m); }; /* * Return a new Decimal whose value is the tangent of the value in radians of this Decimal. * * Domain: [-Infinity, Infinity] * Range: [-Infinity, Infinity] * * tan(0) = 0 * tan(-0) = -0 * tan(Infinity) = NaN * tan(-Infinity) = NaN * tan(NaN) = NaN * */ P.tangent = P.tan = function () { var pr, rm, x = this, Ctor = x.constructor; if (!x.isFinite()) return new Ctor(NaN); if (x.isZero()) return new Ctor(x); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + 10; Ctor.rounding = 1; x = x.sin(); x.s = 1; x = divide(x, new Ctor(1).minus(x.times(x)).sqrt(), pr + 10, 0); Ctor.precision = pr; Ctor.rounding = rm; return finalise(quadrant == 2 || quadrant == 4 ? x.neg() : x, pr, rm, true); }; /* * n * 0 = 0 * n * N = N * n * I = I * 0 * n = 0 * 0 * 0 = 0 * 0 * N = N * 0 * I = N * N * n = N * N * 0 = N * N * N = N * N * I = N * I * n = I * I * 0 = N * I * N = N * I * I = I * * Return a new Decimal whose value is this Decimal times `y`, rounded to `precision` significant * digits using rounding mode `rounding`. * */ P.times = P.mul = function (y) { var carry, e, i, k, r, rL, t, xdL, ydL, x = this, Ctor = x.constructor, xd = x.d, yd = (y = new Ctor(y)).d; y.s *= x.s; // If either is NaN, ±Infinity or ±0... if (!xd || !xd[0] || !yd || !yd[0]) { return new Ctor(!y.s || xd && !xd[0] && !yd || yd && !yd[0] && !xd // Return NaN if either is NaN. // Return NaN if x is ±0 and y is ±Infinity, or y is ±0 and x is ±Infinity. ? NaN // Return ±Infinity if either is ±Infinity. // Return ±0 if either is ±0. : !xd || !yd ? y.s / 0 : y.s * 0); } e = mathfloor(x.e / LOG_BASE) + mathfloor(y.e / LOG_BASE); xdL = xd.length; ydL = yd.length; // Ensure xd points to the longer array. if (xdL < ydL) { r = xd; xd = yd; yd = r; rL = xdL; xdL = ydL; ydL = rL; } // Initialise the result array with zeros. r = []; rL = xdL + ydL; for (i = rL; i--;) r.push(0); // Multiply! for (i = ydL; --i >= 0;) { carry = 0; for (k = xdL + i; k > i;) { t = r[k] + yd[i] * xd[k - i - 1] + carry; r[k--] = t % BASE | 0; carry = t / BASE | 0; } r[k] = (r[k] + carry) % BASE | 0; } // Remove trailing zeros. for (; !r[--rL];) r.pop(); if (carry) ++e; else r.shift(); y.d = r; y.e = getBase10Exponent(r, e); return external ? finalise(y, Ctor.precision, Ctor.rounding) : y; }; /* * Return a string representing the value of this Decimal in base 2, round to `sd` significant * digits using rounding mode `rm`. * * If the optional `sd` argument is present then return binary exponential notation. * * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * */ P.toBinary = function (sd, rm) { return toStringBinary(this, 2, sd, rm); }; /* * Return a new Decimal whose value is the value of this Decimal rounded to a maximum of `dp` * decimal places using rounding mode `rm` or `rounding` if `rm` is omitted. * * If `dp` is omitted, return a new Decimal whose value is the value of this Decimal. * * [dp] {number} Decimal places. Integer, 0 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * */ P.toDecimalPlaces = P.toDP = function (dp, rm) { var x = this, Ctor = x.constructor; x = new Ctor(x); if (dp === void 0) return x; checkInt32(dp, 0, MAX_DIGITS); if (rm === void 0) rm = Ctor.rounding; else checkInt32(rm, 0, 8); return finalise(x, dp + x.e + 1, rm); }; /* * Return a string representing the value of this Decimal in exponential notation rounded to * `dp` fixed decimal places using rounding mode `rounding`. * * [dp] {number} Decimal places. Integer, 0 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * */ P.toExponential = function (dp, rm) { var str, x = this, Ctor = x.constructor; if (dp === void 0) { str = finiteToString(x, true); } else { checkInt32(dp, 0, MAX_DIGITS); if (rm === void 0) rm = Ctor.rounding; else checkInt32(rm, 0, 8); x = finalise(new Ctor(x), dp + 1, rm); str = finiteToString(x, true, dp + 1); } return x.isNeg() && !x.isZero() ? '-' + str : str; }; /* * Return a string representing the value of this Decimal in normal (fixed-point) notation to * `dp` fixed decimal places and rounded using rounding mode `rm` or `rounding` if `rm` is * omitted. * * As with JavaScript numbers, (-0).toFixed(0) is '0', but e.g. (-0.00001).toFixed(0) is '-0'. * * [dp] {number} Decimal places. Integer, 0 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * * (-0).toFixed(0) is '0', but (-0.1).toFixed(0) is '-0'. * (-0).toFixed(1) is '0.0', but (-0.01).toFixed(1) is '-0.0'. * (-0).toFixed(3) is '0.000'. * (-0.5).toFixed(0) is '-0'. * */ P.toFixed = function (dp, rm) { var str, y, x = this, Ctor = x.constructor; if (dp === void 0) { str = finiteToString(x); } else { checkInt32(dp, 0, MAX_DIGITS); if (rm === void 0) rm = Ctor.rounding; else checkInt32(rm, 0, 8); y = finalise(new Ctor(x), dp + x.e + 1, rm); str = finiteToString(y, false, dp + y.e + 1); } // To determine whether to add the minus sign look at the value before it was rounded, // i.e. look at `x` rather than `y`. return x.isNeg() && !x.isZero() ? '-' + str : str; }; /* * Return an array representing the value of this Decimal as a simple fraction with an integer * numerator and an integer denominator. * * The denominator will be a positive non-zero value less than or equal to the specified maximum * denominator. If a maximum denominator is not specified, the denominator will be the lowest * value necessary to represent the number exactly. * * [maxD] {number|string|Decimal} Maximum denominator. Integer >= 1 and < Infinity. * */ P.toFraction = function (maxD) { var d, d0, d1, d2, e, k, n, n0, n1, pr, q, r, x = this, xd = x.d, Ctor = x.constructor; if (!xd) return new Ctor(x); n1 = d0 = new Ctor(1); d1 = n0 = new Ctor(0); d = new Ctor(d1); e = d.e = getPrecision(xd) - x.e - 1; k = e % LOG_BASE; d.d[0] = mathpow(10, k < 0 ? LOG_BASE + k : k); if (maxD == null) { // d is 10**e, the minimum max-denominator needed. maxD = e > 0 ? d : n1; } else { n = new Ctor(maxD); if (!n.isInt() || n.lt(n1)) throw Error(invalidArgument + n); maxD = n.gt(d) ? (e > 0 ? d : n1) : n; } external = false; n = new Ctor(digitsToString(xd)); pr = Ctor.precision; Ctor.precision = e = xd.length * LOG_BASE * 2; for (;;) { q = divide(n, d, 0, 1, 1); d2 = d0.plus(q.times(d1)); if (d2.cmp(maxD) == 1) break; d0 = d1; d1 = d2; d2 = n1; n1 = n0.plus(q.times(d2)); n0 = d2; d2 = d; d = n.minus(q.times(d2)); n = d2; } d2 = divide(maxD.minus(d0), d1, 0, 1, 1); n0 = n0.plus(d2.times(n1)); d0 = d0.plus(d2.times(d1)); n0.s = n1.s = x.s; // Determine which fraction is closer to x, n0/d0 or n1/d1? r = divide(n1, d1, e, 1).minus(x).abs().cmp(divide(n0, d0, e, 1).minus(x).abs()) < 1 ? [n1, d1] : [n0, d0]; Ctor.precision = pr; external = true; return r; }; /* * Return a string representing the value of this Decimal in base 16, round to `sd` significant * digits using rounding mode `rm`. * * If the optional `sd` argument is present then return binary exponential notation. * * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * */ P.toHexadecimal = P.toHex = function (sd, rm) { return toStringBinary(this, 16, sd, rm); }; /* * Returns a new Decimal whose value is the nearest multiple of the magnitude of `y` to the value * of this Decimal. * * If the value of this Decimal is equidistant from two multiples of `y`, the rounding mode `rm`, * or `Decimal.rounding` if `rm` is omitted, determines the direction of the nearest multiple. * * In the context of this method, rounding mode 4 (ROUND_HALF_UP) is the same as rounding mode 0 * (ROUND_UP), and so on. * * The return value will always have the same sign as this Decimal, unless either this Decimal * or `y` is NaN, in which case the return value will be also be NaN. * * The return value is not affected by the value of `precision`. * * y {number|string|Decimal} The magnitude to round to a multiple of. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * * 'toNearest() rounding mode not an integer: {rm}' * 'toNearest() rounding mode out of range: {rm}' * */ P.toNearest = function (y, rm) { var x = this, Ctor = x.constructor; x = new Ctor(x); if (y == null) { // If x is not finite, return x. if (!x.d) return x; y = new Ctor(1); rm = Ctor.rounding; } else { y = new Ctor(y); if (rm !== void 0) checkInt32(rm, 0, 8); // If x is not finite, return x if y is not NaN, else NaN. if (!x.d) return y.s ? x : y; // If y is not finite, return Infinity with the sign of x if y is Infinity, else NaN. if (!y.d) { if (y.s) y.s = x.s; return y; } } // If y is not zero, calculate the nearest multiple of y to x. if (y.d[0]) { external = false; if (rm < 4) rm = [4, 5, 7, 8][rm]; x = divide(x, y, 0, rm, 1).times(y); external = true; finalise(x); // If y is zero, return zero with the sign of x. } else { y.s = x.s; x = y; } return x; }; /* * Return the value of this Decimal converted to a number primitive. * Zero keeps its sign. * */ P.toNumber = function () { return +this; }; /* * Return a string representing the value of this Decimal in base 8, round to `sd` significant * digits using rounding mode `rm`. * * If the optional `sd` argument is present then return binary exponential notation. * * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * */ P.toOctal = function (sd, rm) { return toStringBinary(this, 8, sd, rm); }; /* * Return a new Decimal whose value is the value of this Decimal raised to the power `y`, rounded * to `precision` significant digits using rounding mode `rounding`. * * ECMAScript compliant. * * pow(x, NaN) = NaN * pow(x, ±0) = 1 * pow(NaN, non-zero) = NaN * pow(abs(x) > 1, +Infinity) = +Infinity * pow(abs(x) > 1, -Infinity) = +0 * pow(abs(x) == 1, ±Infinity) = NaN * pow(abs(x) < 1, +Infinity) = +0 * pow(abs(x) < 1, -Infinity) = +Infinity * pow(+Infinity, y > 0) = +Infinity * pow(+Infinity, y < 0) = +0 * pow(-Infinity, odd integer > 0) = -Infinity * pow(-Infinity, even integer > 0) = +Infinity * pow(-Infinity, odd integer < 0) = -0 * pow(-Infinity, even integer < 0) = +0 * pow(+0, y > 0) = +0 * pow(+0, y < 0) = +Infinity * pow(-0, odd integer > 0) = -0 * pow(-0, even integer > 0) = +0 * pow(-0, odd integer < 0) = -Infinity * pow(-0, even integer < 0) = +Infinity * pow(finite x < 0, finite non-integer) = NaN * * For non-integer or very large exponents pow(x, y) is calculated using * * x^y = exp(y*ln(x)) * * Assuming the first 15 rounding digits are each equally likely to be any digit 0-9, the * probability of an incorrectly rounded result * P([49]9{14} | [50]0{14}) = 2 * 0.2 * 10^-14 = 4e-15 = 1/2.5e+14 * i.e. 1 in 250,000,000,000,000 * * If a result is incorrectly rounded the maximum error will be 1 ulp (unit in last place). * * y {number|string|Decimal} The power to which to raise this Decimal. * */ P.toPower = P.pow = function (y) { var e, k, pr, r, rm, s, x = this, Ctor = x.constructor, yn = +(y = new Ctor(y)); // Either ±Infinity, NaN or ±0? if (!x.d || !y.d || !x.d[0] || !y.d[0]) return new Ctor(mathpow(+x, yn)); x = new Ctor(x); if (x.eq(1)) return x; pr = Ctor.precision; rm = Ctor.rounding; if (y.eq(1)) return finalise(x, pr, rm); // y exponent e = mathfloor(y.e / LOG_BASE); // If y is a small integer use the 'exponentiation by squaring' algorithm. if (e >= y.d.length - 1 && (k = yn < 0 ? -yn : yn) <= MAX_SAFE_INTEGER) { r = intPow(Ctor, x, k, pr); return y.s < 0 ? new Ctor(1).div(r) : finalise(r, pr, rm); } s = x.s; // if x is negative if (s < 0) { // if y is not an integer if (e < y.d.length - 1) return new Ctor(NaN); // Result is positive if x is negative and the last digit of integer y is even. if ((y.d[e] & 1) == 0) s = 1; // if x.eq(-1) if (x.e == 0 && x.d[0] == 1 && x.d.length == 1) { x.s = s; return x; } } // Estimate result exponent. // x^y = 10^e, where e = y * log10(x) // log10(x) = log10(x_significand) + x_exponent // log10(x_significand) = ln(x_significand) / ln(10) k = mathpow(+x, yn); e = k == 0 || !isFinite(k) ? mathfloor(yn * (Math.log('0.' + digitsToString(x.d)) / Math.LN10 + x.e + 1)) : new Ctor(k + '').e; // Exponent estimate may be incorrect e.g. x: 0.999999999999999999, y: 2.29, e: 0, r.e: -1. // Overflow/underflow? if (e > Ctor.maxE + 1 || e < Ctor.minE - 1) return new Ctor(e > 0 ? s / 0 : 0); external = false; Ctor.rounding = x.s = 1; // Estimate the extra guard digits needed to ensure five correct rounding digits from // naturalLogarithm(x). Example of failure without these extra digits (precision: 10): // new Decimal(2.32456).pow('2087987436534566.46411') // should be 1.162377823e+764914905173815, but is 1.162355823e+764914905173815 k = Math.min(12, (e + '').length); // r = x^y = exp(y*ln(x)) r = naturalExponential(y.times(naturalLogarithm(x, pr + k)), pr); // r may be Infinity, e.g. (0.9999999999999999).pow(-1e+40) if (r.d) { // Truncate to the required precision plus five rounding digits. r = finalise(r, pr + 5, 1); // If the rounding digits are [49]9999 or [50]0000 increase the precision by 10 and recalculate // the result. if (checkRoundingDigits(r.d, pr, rm)) { e = pr + 10; // Truncate to the increased precision plus five rounding digits. r = finalise(naturalExponential(y.times(naturalLogarithm(x, e + k)), e), e + 5, 1); // Check for 14 nines from the 2nd rounding digit (the first rounding digit may be 4 or 9). if (+digitsToString(r.d).slice(pr + 1, pr + 15) + 1 == 1e14) { r = finalise(r, pr + 1, 0); } } } r.s = s; external = true; Ctor.rounding = rm; return finalise(r, pr, rm); }; /* * Return a string representing the value of this Decimal rounded to `sd` significant digits * using rounding mode `rounding`. * * Return exponential notation if `sd` is less than the number of digits necessary to represent * the integer part of the value in normal notation. * * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * */ P.toPrecision = function (sd, rm) { var str, x = this, Ctor = x.constructor; if (sd === void 0) { str = finiteToString(x, x.e <= Ctor.toExpNeg || x.e >= Ctor.toExpPos); } else { checkInt32(sd, 1, MAX_DIGITS); if (rm === void 0) rm = Ctor.rounding; else checkInt32(rm, 0, 8); x = finalise(new Ctor(x), sd, rm); str = finiteToString(x, sd <= x.e || x.e <= Ctor.toExpNeg, sd); } return x.isNeg() && !x.isZero() ? '-' + str : str; }; /* * Return a new Decimal whose value is the value of this Decimal rounded to a maximum of `sd` * significant digits using rounding mode `rm`, or to `precision` and `rounding` respectively if * omitted. * * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * * 'toSD() digits out of range: {sd}' * 'toSD() digits not an integer: {sd}' * 'toSD() rounding mode not an integer: {rm}' * 'toSD() rounding mode out of range: {rm}' * */ P.toSignificantDigits = P.toSD = function (sd, rm) { var x = this, Ctor = x.constructor; if (sd === void 0) { sd = Ctor.precision; rm = Ctor.rounding; } else { checkInt32(sd, 1, MAX_DIGITS); if (rm === void 0) rm = Ctor.rounding; else checkInt32(rm, 0, 8); } return finalise(new Ctor(x), sd, rm); }; /* * Return a string representing the value of this Decimal. * * Return exponential notation if this Decimal has a positive exponent equal to or greater than * `toExpPos`, or a negative exponent equal to or less than `toExpNeg`. * */ P.toString = function () { var x = this, Ctor = x.constructor, str = finiteToString(x, x.e <= Ctor.toExpNeg || x.e >= Ctor.toExpPos); return x.isNeg() && !x.isZero() ? '-' + str : str; }; /* * Return a new Decimal whose value is the value of this Decimal truncated to a whole number. * */ P.truncated = P.trunc = function () { return finalise(new this.constructor(this), this.e + 1, 1); }; /* * Return a string representing the value of this Decimal. * Unlike `toString`, negative zero will include the minus sign. * */ P.valueOf = P.toJSON = function () { var x = this, Ctor = x.constructor, str = finiteToString(x, x.e <= Ctor.toExpNeg || x.e >= Ctor.toExpPos); return x.isNeg() ? '-' + str : str; }; /* // Add aliases to match BigDecimal method names. // P.add = P.plus; P.subtract = P.minus; P.multiply = P.times; P.divide = P.div; P.remainder = P.mod; P.compareTo = P.cmp; P.negate = P.neg; */ // Helper functions for Decimal.prototype (P) and/or Decimal methods, and their callers. /* * digitsToString P.cubeRoot, P.logarithm, P.squareRoot, P.toFraction, P.toPower, * finiteToString, naturalExponential, naturalLogarithm * checkInt32 P.toDecimalPlaces, P.toExponential, P.toFixed, P.toNearest, * P.toPrecision, P.toSignificantDigits, toStringBinary, random * checkRoundingDigits P.logarithm, P.toPower, naturalExponential, naturalLogarithm * convertBase toStringBinary, parseOther * cos P.cos * divide P.atanh, P.cubeRoot, P.dividedBy, P.dividedToIntegerBy, * P.logarithm, P.modulo, P.squareRoot, P.tan, P.tanh, P.toFraction, * P.toNearest, toStringBinary, naturalExponential, naturalLogarithm, * taylorSeries, atan2, parseOther * finalise P.absoluteValue, P.atan, P.atanh, P.ceil, P.cos, P.cosh, * P.cubeRoot, P.dividedToIntegerBy, P.floor, P.logarithm, P.minus, * P.modulo, P.negated, P.plus, P.round, P.sin, P.sinh, P.squareRoot, * P.tan, P.times, P.toDecimalPlaces, P.toExponential, P.toFixed, * P.toNearest, P.toPower, P.toPrecision, P.toSignificantDigits, * P.truncated, divide, getLn10, getPi, naturalExponential, * naturalLogarithm, ceil, floor, round, trunc * finiteToString P.toExponential, P.toFixed, P.toPrecision, P.toString, P.valueOf, * toStringBinary * getBase10Exponent P.minus, P.plus, P.times, parseOther * getLn10 P.logarithm, naturalLogarithm * getPi P.acos, P.asin, P.atan, toLessThanHalfPi, atan2 * getPrecision P.precision, P.toFraction * getZeroString digitsToString, finiteToString * intPow P.toPower, parseOther * isOdd toLessThanHalfPi * maxOrMin max, min * naturalExponential P.naturalExponential, P.toPower * naturalLogarithm P.acosh, P.asinh, P.atanh, P.logarithm, P.naturalLogarithm, * P.toPower, naturalExponential * nonFiniteToString finiteToString, toStringBinary * parseDecimal Decimal * parseOther Decimal * sin P.sin * taylorSeries P.cosh, P.sinh, cos, sin * toLessThanHalfPi P.cos, P.sin * toStringBinary P.toBinary, P.toHexadecimal, P.toOctal * truncate intPow * * Throws: P.logarithm, P.precision, P.toFraction, checkInt32, getLn10, getPi, * naturalLogarithm, config, parseOther, random, Decimal */ function digitsToString(d) { var i, k, ws, indexOfLastWord = d.length - 1, str = '', w = d[0]; if (indexOfLastWord > 0) { str += w; for (i = 1; i < indexOfLastWord; i++) { ws = d[i] + ''; k = LOG_BASE - ws.length; if (k) str += getZeroString(k); str += ws; } w = d[i]; ws = w + ''; k = LOG_BASE - ws.length; if (k) str += getZeroString(k); } else if (w === 0) { return '0'; } // Remove trailing zeros of last w. for (; w % 10 === 0;) w /= 10; return str + w; } function checkInt32(i, min, max) { if (i !== ~~i || i < min || i > max) { throw Error(invalidArgument + i); } } /* * Check 5 rounding digits if `repeating` is null, 4 otherwise. * `repeating == null` if caller is `log` or `pow`, * `repeating != null` if caller is `naturalLogarithm` or `naturalExponential`. */ function checkRoundingDigits(d, i, rm, repeating) { var di, k, r, rd; // Get the length of the first word of the array d. for (k = d[0]; k >= 10; k /= 10) --i; // Is the rounding digit in the first word of d? if (--i < 0) { i += LOG_BASE; di = 0; } else { di = Math.ceil((i + 1) / LOG_BASE); i %= LOG_BASE; } // i is the index (0 - 6) of the rounding digit. // E.g. if within the word 3487563 the first rounding digit is 5, // then i = 4, k = 1000, rd = 3487563 % 1000 = 563 k = mathpow(10, LOG_BASE - i); rd = d[di] % k | 0; if (repeating == null) { if (i < 3) { if (i == 0) rd = rd / 100 | 0; else if (i == 1) rd = rd / 10 | 0; r = rm < 4 && rd == 99999 || rm > 3 && rd == 49999 || rd == 50000 || rd == 0; } else { r = (rm < 4 && rd + 1 == k || rm > 3 && rd + 1 == k / 2) && (d[di + 1] / k / 100 | 0) == mathpow(10, i - 2) - 1 || (rd == k / 2 || rd == 0) && (d[di + 1] / k / 100 | 0) == 0; } } else { if (i < 4) { if (i == 0) rd = rd / 1000 | 0; else if (i == 1) rd = rd / 100 | 0; else if (i == 2) rd = rd / 10 | 0; r = (repeating || rm < 4) && rd == 9999 || !repeating && rm > 3 && rd == 4999; } else { r = ((repeating || rm < 4) && rd + 1 == k || (!repeating && rm > 3) && rd + 1 == k / 2) && (d[di + 1] / k / 1000 | 0) == mathpow(10, i - 3) - 1; } } return r; } // Convert string of `baseIn` to an array of numbers of `baseOut`. // Eg. convertBase('255', 10, 16) returns [15, 15]. // Eg. convertBase('ff', 16, 10) returns [2, 5, 5]. function convertBase(str, baseIn, baseOut) { var j, arr = [0], arrL, i = 0, strL = str.length; for (; i < strL;) { for (arrL = arr.length; arrL--;) arr[arrL] *= baseIn; arr[0] += NUMERALS.indexOf(str.charAt(i++)); for (j = 0; j < arr.length; j++) { if (arr[j] > baseOut - 1) { if (arr[j + 1] === void 0) arr[j + 1] = 0; arr[j + 1] += arr[j] / baseOut | 0; arr[j] %= baseOut; } } } return arr.reverse(); } /* * cos(x) = 1 - x^2/2! + x^4/4! - ... * |x| < pi/2 * */ function cosine(Ctor, x) { var k, y, len = x.d.length; // Argument reduction: cos(4x) = 8*(cos^4(x) - cos^2(x)) + 1 // i.e. cos(x) = 8*(cos^4(x/4) - cos^2(x/4)) + 1 // Estimate the optimum number of times to use the argument reduction. if (len < 32) { k = Math.ceil(len / 3); y = Math.pow(4, -k).toString(); } else { k = 16; y = '2.3283064365386962890625e-10'; } Ctor.precision += k; x = taylorSeries(Ctor, 1, x.times(y), new Ctor(1)); // Reverse argument reduction for (var i = k; i--;) { var cos2x = x.times(x); x = cos2x.times(cos2x).minus(cos2x).times(8).plus(1); } Ctor.precision -= k; return x; } /* * Perform division in the specified base. */ var divide = (function () { // Assumes non-zero x and k, and hence non-zero result. function multiplyInteger(x, k, base) { var temp, carry = 0, i = x.length; for (x = x.slice(); i--;) { temp = x[i] * k + carry; x[i] = temp % base | 0; carry = temp / base | 0; } if (carry) x.unshift(carry); return x; } function compare(a, b, aL, bL) { var i, r; if (aL != bL) { r = aL > bL ? 1 : -1; } else { for (i = r = 0; i < aL; i++) { if (a[i] != b[i]) { r = a[i] > b[i] ? 1 : -1; break; } } } return r; } function subtract(a, b, aL, base) { var i = 0; // Subtract b from a. for (; aL--;) { a[aL] -= i; i = a[aL] < b[aL] ? 1 : 0; a[aL] = i * base + a[aL] - b[aL]; } // Remove leading zeros. for (; !a[0] && a.length > 1;) a.shift(); } return function (x, y, pr, rm, dp, base) { var cmp, e, i, k, logBase, more, prod, prodL, q, qd, rem, remL, rem0, sd, t, xi, xL, yd0, yL, yz, Ctor = x.constructor, sign = x.s == y.s ? 1 : -1, xd = x.d, yd = y.d; // Either NaN, Infinity or 0? if (!xd || !xd[0] || !yd || !yd[0]) { return new Ctor(// Return NaN if either NaN, or both Infinity or 0. !x.s || !y.s || (xd ? yd && xd[0] == yd[0] : !yd) ? NaN : // Return ±0 if x is 0 or y is ±Infinity, or return ±Infinity as y is 0. xd && xd[0] == 0 || !yd ? sign * 0 : sign / 0); } if (base) { logBase = 1; e = x.e - y.e; } else { base = BASE; logBase = LOG_BASE; e = mathfloor(x.e / logBase) - mathfloor(y.e / logBase); } yL = yd.length; xL = xd.length; q = new Ctor(sign); qd = q.d = []; // Result exponent may be one less than e. // The digit array of a Decimal from toStringBinary may have trailing zeros. for (i = 0; yd[i] == (xd[i] || 0); i++); if (yd[i] > (xd[i] || 0)) e--; if (pr == null) { sd = pr = Ctor.precision; rm = Ctor.rounding; } else if (dp) { sd = pr + (x.e - y.e) + 1; } else { sd = pr; } if (sd < 0) { qd.push(1); more = true; } else { // Convert precision in number of base 10 digits to base 1e7 digits. sd = sd / logBase + 2 | 0; i = 0; // divisor < 1e7 if (yL == 1) { k = 0; yd = yd[0]; sd++; // k is the carry. for (; (i < xL || k) && sd--; i++) { t = k * base + (xd[i] || 0); qd[i] = t / yd | 0; k = t % yd | 0; } more = k || i < xL; // divisor >= 1e7 } else { // Normalise xd and yd so highest order digit of yd is >= base/2 k = base / (yd[0] + 1) | 0; if (k > 1) { yd = multiplyInteger(yd, k, base); xd = multiplyInteger(xd, k, base); yL = yd.length; xL = xd.length; } xi = yL; rem = xd.slice(0, yL); remL = rem.length; // Add zeros to make remainder as long as divisor. for (; remL < yL;) rem[remL++] = 0; yz = yd.slice(); yz.unshift(0); yd0 = yd[0]; if (yd[1] >= base / 2) ++yd0; do { k = 0; // Compare divisor and remainder. cmp = compare(yd, rem, yL, remL); // If divisor < remainder. if (cmp < 0) { // Calculate trial digit, k. rem0 = rem[0]; if (yL != remL) rem0 = rem0 * base + (rem[1] || 0); // k will be how many times the divisor goes into the current remainder. k = rem0 / yd0 | 0; // Algorithm: // 1. product = divisor * trial digit (k) // 2. if product > remainder: product -= divisor, k-- // 3. remainder -= product // 4. if product was < remainder at 2: // 5. compare new remainder and divisor // 6. If remainder > divisor: remainder -= divisor, k++ if (k > 1) { if (k >= base) k = base - 1; // product = divisor * trial digit. prod = multiplyInteger(yd, k, base); prodL = prod.length; remL = rem.length; // Compare product and remainder. cmp = compare(prod, rem, prodL, remL); // product > remainder. if (cmp == 1) { k--; // Subtract divisor from product. subtract(prod, yL < prodL ? yz : yd, prodL, base); } } else { // cmp is -1. // If k is 0, there is no need to compare yd and rem again below, so change cmp to 1 // to avoid it. If k is 1 there is a need to compare yd and rem again below. if (k == 0) cmp = k = 1; prod = yd.slice(); } prodL = prod.length; if (prodL < remL) prod.unshift(0); // Subtract product from remainder. subtract(rem, prod, remL, base); // If product was < previous remainder. if (cmp == -1) { remL = rem.length; // Compare divisor and new remainder. cmp = compare(yd, rem, yL, remL); // If divisor < new remainder, subtract divisor from remainder. if (cmp < 1) { k++; // Subtract divisor from remainder. subtract(rem, yL < remL ? yz : yd, remL, base); } } remL = rem.length; } else if (cmp === 0) { k++; rem = [0]; } // if cmp === 1, k will be 0 // Add the next digit, k, to the result array. qd[i++] = k; // Update the remainder. if (cmp && rem[0]) { rem[remL++] = xd[xi] || 0; } else { rem = [xd[xi]]; remL = 1; } } while ((xi++ < xL || rem[0] !== void 0) && sd--); more = rem[0] !== void 0; } // Leading zero? if (!qd[0]) qd.shift(); } // logBase is 1 when divide is being used for base conversion. if (logBase == 1) { q.e = e; inexact = more; } else { // To calculate q.e, first get the number of digits of qd[0]. for (i = 1, k = qd[0]; k >= 10; k /= 10) i++; q.e = i + e * logBase - 1; finalise(q, dp ? pr + q.e + 1 : pr, rm, more); } return q; }; })(); /* * Round `x` to `sd` significant digits using rounding mode `rm`. * Check for over/under-flow. */ function finalise(x, sd, rm, isTruncated) { var digits, i, j, k, rd, roundUp, w, xd, xdi, Ctor = x.constructor; // Don't round if sd is null or undefined. out: if (sd != null) { xd = x.d; // Infinity/NaN. if (!xd) return x; // rd: the rounding digit, i.e. the digit after the digit that may be rounded up. // w: the word of xd containing rd, a base 1e7 number. // xdi: the index of w within xd. // digits: the number of digits of w. // i: what would be the index of rd within w if all the numbers were 7 digits long (i.e. if // they had leading zeros) // j: if > 0, the actual index of rd within w (if < 0, rd is a leading zero). // Get the length of the first word of the digits array xd. for (digits = 1, k = xd[0]; k >= 10; k /= 10) digits++; i = sd - digits; // Is the rounding digit in the first word of xd? if (i < 0) { i += LOG_BASE; j = sd; w = xd[xdi = 0]; // Get the rounding digit at index j of w. rd = w / mathpow(10, digits - j - 1) % 10 | 0; } else { xdi = Math.ceil((i + 1) / LOG_BASE); k = xd.length; if (xdi >= k) { if (isTruncated) { // Needed by `naturalExponential`, `naturalLogarithm` and `squareRoot`. for (; k++ <= xdi;) xd.push(0); w = rd = 0; digits = 1; i %= LOG_BASE; j = i - LOG_BASE + 1; } else { break out; } } else { w = k = xd[xdi]; // Get the number of digits of w. for (digits = 1; k >= 10; k /= 10) digits++; // Get the index of rd within w. i %= LOG_BASE; // Get the index of rd within w, adjusted for leading zeros. // The number of leading zeros of w is given by LOG_BASE - digits. j = i - LOG_BASE + digits; // Get the rounding digit at index j of w. rd = j < 0 ? 0 : w / mathpow(10, digits - j - 1) % 10 | 0; } } // Are there any non-zero digits after the rounding digit? isTruncated = isTruncated || sd < 0 || xd[xdi + 1] !== void 0 || (j < 0 ? w : w % mathpow(10, digits - j - 1)); // The expression `w % mathpow(10, digits - j - 1)` returns all the digits of w to the right // of the digit at (left-to-right) index j, e.g. if w is 908714 and j is 2, the expression // will give 714. roundUp = rm < 4 ? (rd || isTruncated) && (rm == 0 || rm == (x.s < 0 ? 3 : 2)) : rd > 5 || rd == 5 && (rm == 4 || isTruncated || rm == 6 && // Check whether the digit to the left of the rounding digit is odd. ((i > 0 ? j > 0 ? w / mathpow(10, digits - j) : 0 : xd[xdi - 1]) % 10) & 1 || rm == (x.s < 0 ? 8 : 7)); if (sd < 1 || !xd[0]) { xd.length = 0; if (roundUp) { // Convert sd to decimal places. sd -= x.e + 1; // 1, 0.1, 0.01, 0.001, 0.0001 etc. xd[0] = mathpow(10, (LOG_BASE - sd % LOG_BASE) % LOG_BASE); x.e = -sd || 0; } else { // Zero. xd[0] = x.e = 0; } return x; } // Remove excess digits. if (i == 0) { xd.length = xdi; k = 1; xdi--; } else { xd.length = xdi + 1; k = mathpow(10, LOG_BASE - i); // E.g. 56700 becomes 56000 if 7 is the rounding digit. // j > 0 means i > number of leading zeros of w. xd[xdi] = j > 0 ? (w / mathpow(10, digits - j) % mathpow(10, j) | 0) * k : 0; } if (roundUp) { for (;;) { // Is the digit to be rounded up in the first word of xd? if (xdi == 0) { // i will be the length of xd[0] before k is added. for (i = 1, j = xd[0]; j >= 10; j /= 10) i++; j = xd[0] += k; for (k = 1; j >= 10; j /= 10) k++; // if i != k the length has increased. if (i != k) { x.e++; if (xd[0] == BASE) xd[0] = 1; } break; } else { xd[xdi] += k; if (xd[xdi] != BASE) break; xd[xdi--] = 0; k = 1; } } } // Remove trailing zeros. for (i = xd.length; xd[--i] === 0;) xd.pop(); } if (external) { // Overflow? if (x.e > Ctor.maxE) { // Infinity. x.d = null; x.e = NaN; // Underflow? } else if (x.e < Ctor.minE) { // Zero. x.e = 0; x.d = [0]; // Ctor.underflow = true; } // else Ctor.underflow = false; } return x; } function finiteToString(x, isExp, sd) { if (!x.isFinite()) return nonFiniteToString(x); var k, e = x.e, str = digitsToString(x.d), len = str.length; if (isExp) { if (sd && (k = sd - len) > 0) { str = str.charAt(0) + '.' + str.slice(1) + getZeroString(k); } else if (len > 1) { str = str.charAt(0) + '.' + str.slice(1); } str = str + (x.e < 0 ? 'e' : 'e+') + x.e; } else if (e < 0) { str = '0.' + getZeroString(-e - 1) + str; if (sd && (k = sd - len) > 0) str += getZeroString(k); } else if (e >= len) { str += getZeroString(e + 1 - len); if (sd && (k = sd - e - 1) > 0) str = str + '.' + getZeroString(k); } else { if ((k = e + 1) < len) str = str.slice(0, k) + '.' + str.slice(k); if (sd && (k = sd - len) > 0) { if (e + 1 === len) str += '.'; str += getZeroString(k); } } return str; } // Calculate the base 10 exponent from the base 1e7 exponent. function getBase10Exponent(digits, e) { var w = digits[0]; // Add the number of digits of the first word of the digits array. for ( e *= LOG_BASE; w >= 10; w /= 10) e++; return e; } function getLn10(Ctor, sd, pr) { if (sd > LN10_PRECISION) { // Reset global state in case the exception is caught. external = true; if (pr) Ctor.precision = pr; throw Error(precisionLimitExceeded); } return finalise(new Ctor(LN10), sd, 1, true); } function getPi(Ctor, sd, rm) { if (sd > PI_PRECISION) throw Error(precisionLimitExceeded); return finalise(new Ctor(PI), sd, rm, true); } function getPrecision(digits) { var w = digits.length - 1, len = w * LOG_BASE + 1; w = digits[w]; // If non-zero... if (w) { // Subtract the number of trailing zeros of the last word. for (; w % 10 == 0; w /= 10) len--; // Add the number of digits of the first word. for (w = digits[0]; w >= 10; w /= 10) len++; } return len; } function getZeroString(k) { var zs = ''; for (; k--;) zs += '0'; return zs; } /* * Return a new Decimal whose value is the value of Decimal `x` to the power `n`, where `n` is an * integer of type number. * * Implements 'exponentiation by squaring'. Called by `pow` and `parseOther`. * */ function intPow(Ctor, x, n, pr) { var isTruncated, r = new Ctor(1), // Max n of 9007199254740991 takes 53 loop iterations. // Maximum digits array length; leaves [28, 34] guard digits. k = Math.ceil(pr / LOG_BASE + 4); external = false; for (;;) { if (n % 2) { r = r.times(x); if (truncate(r.d, k)) isTruncated = true; } n = mathfloor(n / 2); if (n === 0) { // To ensure correct rounding when r.d is truncated, increment the last word if it is zero. n = r.d.length - 1; if (isTruncated && r.d[n] === 0) ++r.d[n]; break; } x = x.times(x); truncate(x.d, k); } external = true; return r; } function isOdd(n) { return n.d[n.d.length - 1] & 1; } /* * Handle `max` and `min`. `ltgt` is 'lt' or 'gt'. */ function maxOrMin(Ctor, args, ltgt) { var y, x = new Ctor(args[0]), i = 0; for (; ++i < args.length;) { y = new Ctor(args[i]); if (!y.s) { x = y; break; } else if (x[ltgt](y)) { x = y; } } return x; } /* * Return a new Decimal whose value is the natural exponential of `x` rounded to `sd` significant * digits. * * Taylor/Maclaurin series. * * exp(x) = x^0/0! + x^1/1! + x^2/2! + x^3/3! + ... * * Argument reduction: * Repeat x = x / 32, k += 5, until |x| < 0.1 * exp(x) = exp(x / 2^k)^(2^k) * * Previously, the argument was initially reduced by * exp(x) = exp(r) * 10^k where r = x - k * ln10, k = floor(x / ln10) * to first put r in the range [0, ln10], before dividing by 32 until |x| < 0.1, but this was * found to be slower than just dividing repeatedly by 32 as above. * * Max integer argument: exp('20723265836946413') = 6.3e+9000000000000000 * Min integer argument: exp('-20723265836946411') = 1.2e-9000000000000000 * (Math object integer min/max: Math.exp(709) = 8.2e+307, Math.exp(-745) = 5e-324) * * exp(Infinity) = Infinity * exp(-Infinity) = 0 * exp(NaN) = NaN * exp(±0) = 1 * * exp(x) is non-terminating for any finite, non-zero x. * * The result will always be correctly rounded. * */ function naturalExponential(x, sd) { var denominator, guard, j, pow, sum, t, wpr, rep = 0, i = 0, k = 0, Ctor = x.constructor, rm = Ctor.rounding, pr = Ctor.precision; // 0/NaN/Infinity? if (!x.d || !x.d[0] || x.e > 17) { return new Ctor(x.d ? !x.d[0] ? 1 : x.s < 0 ? 0 : 1 / 0 : x.s ? x.s < 0 ? 0 : x : 0 / 0); } if (sd == null) { external = false; wpr = pr; } else { wpr = sd; } t = new Ctor(0.03125); // while abs(x) >= 0.1 while (x.e > -2) { // x = x / 2^5 x = x.times(t); k += 5; } // Use 2 * log10(2^k) + 5 (empirically derived) to estimate the increase in precision // necessary to ensure the first 4 rounding digits are correct. guard = Math.log(mathpow(2, k)) / Math.LN10 * 2 + 5 | 0; wpr += guard; denominator = pow = sum = new Ctor(1); Ctor.precision = wpr; for (;;) { pow = finalise(pow.times(x), wpr, 1); denominator = denominator.times(++i); t = sum.plus(divide(pow, denominator, wpr, 1)); if (digitsToString(t.d).slice(0, wpr) === digitsToString(sum.d).slice(0, wpr)) { j = k; while (j--) sum = finalise(sum.times(sum), wpr, 1); // Check to see if the first 4 rounding digits are [49]999. // If so, repeat the summation with a higher precision, otherwise // e.g. with precision: 18, rounding: 1 // exp(18.404272462595034083567793919843761) = 98372560.1229999999 (should be 98372560.123) // `wpr - guard` is the index of first rounding digit. if (sd == null) { if (rep < 3 && checkRoundingDigits(sum.d, wpr - guard, rm, rep)) { Ctor.precision = wpr += 10; denominator = pow = t = new Ctor(1); i = 0; rep++; } else { return finalise(sum, Ctor.precision = pr, rm, external = true); } } else { Ctor.precision = pr; return sum; } } sum = t; } } /* * Return a new Decimal whose value is the natural logarithm of `x` rounded to `sd` significant * digits. * * ln(-n) = NaN * ln(0) = -Infinity * ln(-0) = -Infinity * ln(1) = 0 * ln(Infinity) = Infinity * ln(-Infinity) = NaN * ln(NaN) = NaN * * ln(n) (n != 1) is non-terminating. * */ function naturalLogarithm(y, sd) { var c, c0, denominator, e, numerator, rep, sum, t, wpr, x1, x2, n = 1, guard = 10, x = y, xd = x.d, Ctor = x.constructor, rm = Ctor.rounding, pr = Ctor.precision; // Is x negative or Infinity, NaN, 0 or 1? if (x.s < 0 || !xd || !xd[0] || !x.e && xd[0] == 1 && xd.length == 1) { return new Ctor(xd && !xd[0] ? -1 / 0 : x.s != 1 ? NaN : xd ? 0 : x); } if (sd == null) { external = false; wpr = pr; } else { wpr = sd; } Ctor.precision = wpr += guard; c = digitsToString(xd); c0 = c.charAt(0); if (Math.abs(e = x.e) < 1.5e15) { // Argument reduction. // The series converges faster the closer the argument is to 1, so using // ln(a^b) = b * ln(a), ln(a) = ln(a^b) / b // multiply the argument by itself until the leading digits of the significand are 7, 8, 9, // 10, 11, 12 or 13, recording the number of multiplications so the sum of the series can // later be divided by this number, then separate out the power of 10 using // ln(a*10^b) = ln(a) + b*ln(10). // max n is 21 (gives 0.9, 1.0 or 1.1) (9e15 / 21 = 4.2e14). //while (c0 < 9 && c0 != 1 || c0 == 1 && c.charAt(1) > 1) { // max n is 6 (gives 0.7 - 1.3) while (c0 < 7 && c0 != 1 || c0 == 1 && c.charAt(1) > 3) { x = x.times(y); c = digitsToString(x.d); c0 = c.charAt(0); n++; } e = x.e; if (c0 > 1) { x = new Ctor('0.' + c); e++; } else { x = new Ctor(c0 + '.' + c.slice(1)); } } else { // The argument reduction method above may result in overflow if the argument y is a massive // number with exponent >= 1500000000000000 (9e15 / 6 = 1.5e15), so instead recall this // function using ln(x*10^e) = ln(x) + e*ln(10). t = getLn10(Ctor, wpr + 2, pr).times(e + ''); x = naturalLogarithm(new Ctor(c0 + '.' + c.slice(1)), wpr - guard).plus(t); Ctor.precision = pr; return sd == null ? finalise(x, pr, rm, external = true) : x; } // x1 is x reduced to a value near 1. x1 = x; // Taylor series. // ln(y) = ln((1 + x)/(1 - x)) = 2(x + x^3/3 + x^5/5 + x^7/7 + ...) // where x = (y - 1)/(y + 1) (|x| < 1) sum = numerator = x = divide(x.minus(1), x.plus(1), wpr, 1); x2 = finalise(x.times(x), wpr, 1); denominator = 3; for (;;) { numerator = finalise(numerator.times(x2), wpr, 1); t = sum.plus(divide(numerator, new Ctor(denominator), wpr, 1)); if (digitsToString(t.d).slice(0, wpr) === digitsToString(sum.d).slice(0, wpr)) { sum = sum.times(2); // Reverse the argument reduction. Check that e is not 0 because, besides preventing an // unnecessary calculation, -0 + 0 = +0 and to ensure correct rounding -0 needs to stay -0. if (e !== 0) sum = sum.plus(getLn10(Ctor, wpr + 2, pr).times(e + '')); sum = divide(sum, new Ctor(n), wpr, 1); // Is rm > 3 and the first 4 rounding digits 4999, or rm < 4 (or the summation has // been repeated previously) and the first 4 rounding digits 9999? // If so, restart the summation with a higher precision, otherwise // e.g. with precision: 12, rounding: 1 // ln(135520028.6126091714265381533) = 18.7246299999 when it should be 18.72463. // `wpr - guard` is the index of first rounding digit. if (sd == null) { if (checkRoundingDigits(sum.d, wpr - guard, rm, rep)) { Ctor.precision = wpr += guard; t = numerator = x = divide(x1.minus(1), x1.plus(1), wpr, 1); x2 = finalise(x.times(x), wpr, 1); denominator = rep = 1; } else { return finalise(sum, Ctor.precision = pr, rm, external = true); } } else { Ctor.precision = pr; return sum; } } sum = t; denominator += 2; } } // ±Infinity, NaN. function nonFiniteToString(x) { // Unsigned. return String(x.s * x.s / 0); } /* * Parse the value of a new Decimal `x` from string `str`. */ function parseDecimal(x, str) { var e, i, len; // Decimal point? if ((e = str.indexOf('.')) > -1) str = str.replace('.', ''); // Exponential form? if ((i = str.search(/e/i)) > 0) { // Determine exponent. if (e < 0) e = i; e += +str.slice(i + 1); str = str.substring(0, i); } else if (e < 0) { // Integer. e = str.length; } // Determine leading zeros. for (i = 0; str.charCodeAt(i) === 48; i++); // Determine trailing zeros. for (len = str.length; str.charCodeAt(len - 1) === 48; --len); str = str.slice(i, len); if (str) { len -= i; x.e = e = e - i - 1; x.d = []; // Transform base // e is the base 10 exponent. // i is where to slice str to get the first word of the digits array. i = (e + 1) % LOG_BASE; if (e < 0) i += LOG_BASE; if (i < len) { if (i) x.d.push(+str.slice(0, i)); for (len -= LOG_BASE; i < len;) x.d.push(+str.slice(i, i += LOG_BASE)); str = str.slice(i); i = LOG_BASE - str.length; } else { i -= len; } for (; i--;) str += '0'; x.d.push(+str); if (external) { // Overflow? if (x.e > x.constructor.maxE) { // Infinity. x.d = null; x.e = NaN; // Underflow? } else if (x.e < x.constructor.minE) { // Zero. x.e = 0; x.d = [0]; // x.constructor.underflow = true; } // else x.constructor.underflow = false; } } else { // Zero. x.e = 0; x.d = [0]; } return x; } /* * Parse the value of a new Decimal `x` from a string `str`, which is not a decimal value. */ function parseOther(x, str) { var base, Ctor, divisor, i, isFloat, len, p, xd, xe; if (str === 'Infinity' || str === 'NaN') { if (!+str) x.s = NaN; x.e = NaN; x.d = null; return x; } if (isHex.test(str)) { base = 16; str = str.toLowerCase(); } else if (isBinary.test(str)) { base = 2; } else if (isOctal.test(str)) { base = 8; } else { throw Error(invalidArgument + str); } // Is there a binary exponent part? i = str.search(/p/i); if (i > 0) { p = +str.slice(i + 1); str = str.substring(2, i); } else { str = str.slice(2); } // Convert `str` as an integer then divide the result by `base` raised to a power such that the // fraction part will be restored. i = str.indexOf('.'); isFloat = i >= 0; Ctor = x.constructor; if (isFloat) { str = str.replace('.', ''); len = str.length; i = len - i; // log[10](16) = 1.2041... , log[10](88) = 1.9444.... divisor = intPow(Ctor, new Ctor(base), i, i * 2); } xd = convertBase(str, base, BASE); xe = xd.length - 1; // Remove trailing zeros. for (i = xe; xd[i] === 0; --i) xd.pop(); if (i < 0) return new Ctor(x.s * 0); x.e = getBase10Exponent(xd, xe); x.d = xd; external = false; // At what precision to perform the division to ensure exact conversion? // maxDecimalIntegerPartDigitCount = ceil(log[10](b) * otherBaseIntegerPartDigitCount) // log[10](2) = 0.30103, log[10](8) = 0.90309, log[10](16) = 1.20412 // E.g. ceil(1.2 * 3) = 4, so up to 4 decimal digits are needed to represent 3 hex int digits. // maxDecimalFractionPartDigitCount = {Hex:4|Oct:3|Bin:1} * otherBaseFractionPartDigitCount // Therefore using 4 * the number of digits of str will always be enough. if (isFloat) x = divide(x, divisor, len * 4); // Multiply by the binary exponent part if present. if (p) x = x.times(Math.abs(p) < 54 ? Math.pow(2, p) : Decimal.pow(2, p)); external = true; return x; } /* * sin(x) = x - x^3/3! + x^5/5! - ... * |x| < pi/2 * */ function sine(Ctor, x) { var k, len = x.d.length; if (len < 3) return taylorSeries(Ctor, 2, x, x); // Argument reduction: sin(5x) = 16*sin^5(x) - 20*sin^3(x) + 5*sin(x) // i.e. sin(x) = 16*sin^5(x/5) - 20*sin^3(x/5) + 5*sin(x/5) // and sin(x) = sin(x/5)(5 + sin^2(x/5)(16sin^2(x/5) - 20)) // Estimate the optimum number of times to use the argument reduction. k = 1.4 * Math.sqrt(len); k = k > 16 ? 16 : k | 0; // Max k before Math.pow precision loss is 22 x = x.times(Math.pow(5, -k)); x = taylorSeries(Ctor, 2, x, x); // Reverse argument reduction var sin2_x, d5 = new Ctor(5), d16 = new Ctor(16), d20 = new Ctor(20); for (; k--;) { sin2_x = x.times(x); x = x.times(d5.plus(sin2_x.times(d16.times(sin2_x).minus(d20)))); } return x; } // Calculate Taylor series for `cos`, `cosh`, `sin` and `sinh`. function taylorSeries(Ctor, n, x, y, isHyperbolic) { var j, t, u, x2, i = 1, pr = Ctor.precision, k = Math.ceil(pr / LOG_BASE); external = false; x2 = x.times(x); u = new Ctor(y); for (;;) { t = divide(u.times(x2), new Ctor(n++ * n++), pr, 1); u = isHyperbolic ? y.plus(t) : y.minus(t); y = divide(t.times(x2), new Ctor(n++ * n++), pr, 1); t = u.plus(y); if (t.d[k] !== void 0) { for (j = k; t.d[j] === u.d[j] && j--;); if (j == -1) break; } j = u; u = y; y = t; t = j; i++; } external = true; t.d.length = k + 1; return t; } // Return the absolute value of `x` reduced to less than or equal to half pi. function toLessThanHalfPi(Ctor, x) { var t, isNeg = x.s < 0, pi = getPi(Ctor, Ctor.precision, 1), halfPi = pi.times(0.5); x = x.abs(); if (x.lte(halfPi)) { quadrant = isNeg ? 4 : 1; return x; } t = x.divToInt(pi); if (t.isZero()) { quadrant = isNeg ? 3 : 2; } else { x = x.minus(t.times(pi)); // 0 <= x < pi if (x.lte(halfPi)) { quadrant = isOdd(t) ? (isNeg ? 2 : 3) : (isNeg ? 4 : 1); return x; } quadrant = isOdd(t) ? (isNeg ? 1 : 4) : (isNeg ? 3 : 2); } return x.minus(pi).abs(); } /* * Return the value of Decimal `x` as a string in base `baseOut`. * * If the optional `sd` argument is present include a binary exponent suffix. */ function toStringBinary(x, baseOut, sd, rm) { var base, e, i, k, len, roundUp, str, xd, y, Ctor = x.constructor, isExp = sd !== void 0; if (isExp) { checkInt32(sd, 1, MAX_DIGITS); if (rm === void 0) rm = Ctor.rounding; else checkInt32(rm, 0, 8); } else { sd = Ctor.precision; rm = Ctor.rounding; } if (!x.isFinite()) { str = nonFiniteToString(x); } else { str = finiteToString(x); i = str.indexOf('.'); // Use exponential notation according to `toExpPos` and `toExpNeg`? No, but if required: // maxBinaryExponent = floor((decimalExponent + 1) * log[2](10)) // minBinaryExponent = floor(decimalExponent * log[2](10)) // log[2](10) = 3.321928094887362347870319429489390175864 if (isExp) { base = 2; if (baseOut == 16) { sd = sd * 4 - 3; } else if (baseOut == 8) { sd = sd * 3 - 2; } } else { base = baseOut; } // Convert the number as an integer then divide the result by its base raised to a power such // that the fraction part will be restored. // Non-integer. if (i >= 0) { str = str.replace('.', ''); y = new Ctor(1); y.e = str.length - i; y.d = convertBase(finiteToString(y), 10, base); y.e = y.d.length; } xd = convertBase(str, 10, base); e = len = xd.length; // Remove trailing zeros. for (; xd[--len] == 0;) xd.pop(); if (!xd[0]) { str = isExp ? '0p+0' : '0'; } else { if (i < 0) { e--; } else { x = new Ctor(x); x.d = xd; x.e = e; x = divide(x, y, sd, rm, 0, base); xd = x.d; e = x.e; roundUp = inexact; } // The rounding digit, i.e. the digit after the digit that may be rounded up. i = xd[sd]; k = base / 2; roundUp = roundUp || xd[sd + 1] !== void 0; roundUp = rm < 4 ? (i !== void 0 || roundUp) && (rm === 0 || rm === (x.s < 0 ? 3 : 2)) : i > k || i === k && (rm === 4 || roundUp || rm === 6 && xd[sd - 1] & 1 || rm === (x.s < 0 ? 8 : 7)); xd.length = sd; if (roundUp) { // Rounding up may mean the previous digit has to be rounded up and so on. for (; ++xd[--sd] > base - 1;) { xd[sd] = 0; if (!sd) { ++e; xd.unshift(1); } } } // Determine trailing zeros. for (len = xd.length; !xd[len - 1]; --len); // E.g. [4, 11, 15] becomes 4bf. for (i = 0, str = ''; i < len; i++) str += NUMERALS.charAt(xd[i]); // Add binary exponent suffix? if (isExp) { if (len > 1) { if (baseOut == 16 || baseOut == 8) { i = baseOut == 16 ? 4 : 3; for (--len; len % i; len++) str += '0'; xd = convertBase(str, base, baseOut); for (len = xd.length; !xd[len - 1]; --len); // xd[0] will always be be 1 for (i = 1, str = '1.'; i < len; i++) str += NUMERALS.charAt(xd[i]); } else { str = str.charAt(0) + '.' + str.slice(1); } } str = str + (e < 0 ? 'p' : 'p+') + e; } else if (e < 0) { for (; ++e;) str = '0' + str; str = '0.' + str; } else { if (++e > len) for (e -= len; e-- ;) str += '0'; else if (e < len) str = str.slice(0, e) + '.' + str.slice(e); } } str = (baseOut == 16 ? '0x' : baseOut == 2 ? '0b' : baseOut == 8 ? '0o' : '') + str; } return x.s < 0 ? '-' + str : str; } // Does not strip trailing zeros. function truncate(arr, len) { if (arr.length > len) { arr.length = len; return true; } } // Decimal methods /* * abs * acos * acosh * add * asin * asinh * atan * atanh * atan2 * cbrt * ceil * clone * config * cos * cosh * div * exp * floor * hypot * ln * log * log2 * log10 * max * min * mod * mul * pow * random * round * set * sign * sin * sinh * sqrt * sub * tan * tanh * trunc */ /* * Return a new Decimal whose value is the absolute value of `x`. * * x {number|string|Decimal} * */ function abs(x) { return new this(x).abs(); } /* * Return a new Decimal whose value is the arccosine in radians of `x`. * * x {number|string|Decimal} * */ function acos(x) { return new this(x).acos(); } /* * Return a new Decimal whose value is the inverse of the hyperbolic cosine of `x`, rounded to * `precision` significant digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function acosh(x) { return new this(x).acosh(); } /* * Return a new Decimal whose value is the sum of `x` and `y`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} * y {number|string|Decimal} * */ function add(x, y) { return new this(x).plus(y); } /* * Return a new Decimal whose value is the arcsine in radians of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function asin(x) { return new this(x).asin(); } /* * Return a new Decimal whose value is the inverse of the hyperbolic sine of `x`, rounded to * `precision` significant digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function asinh(x) { return new this(x).asinh(); } /* * Return a new Decimal whose value is the arctangent in radians of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function atan(x) { return new this(x).atan(); } /* * Return a new Decimal whose value is the inverse of the hyperbolic tangent of `x`, rounded to * `precision` significant digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function atanh(x) { return new this(x).atanh(); } /* * Return a new Decimal whose value is the arctangent in radians of `y/x` in the range -pi to pi * (inclusive), rounded to `precision` significant digits using rounding mode `rounding`. * * Domain: [-Infinity, Infinity] * Range: [-pi, pi] * * y {number|string|Decimal} The y-coordinate. * x {number|string|Decimal} The x-coordinate. * * atan2(±0, -0) = ±pi * atan2(±0, +0) = ±0 * atan2(±0, -x) = ±pi for x > 0 * atan2(±0, x) = ±0 for x > 0 * atan2(-y, ±0) = -pi/2 for y > 0 * atan2(y, ±0) = pi/2 for y > 0 * atan2(±y, -Infinity) = ±pi for finite y > 0 * atan2(±y, +Infinity) = ±0 for finite y > 0 * atan2(±Infinity, x) = ±pi/2 for finite x * atan2(±Infinity, -Infinity) = ±3*pi/4 * atan2(±Infinity, +Infinity) = ±pi/4 * atan2(NaN, x) = NaN * atan2(y, NaN) = NaN * */ function atan2(y, x) { y = new this(y); x = new this(x); var r, pr = this.precision, rm = this.rounding, wpr = pr + 4; // Either NaN if (!y.s || !x.s) { r = new this(NaN); // Both ±Infinity } else if (!y.d && !x.d) { r = getPi(this, wpr, 1).times(x.s > 0 ? 0.25 : 0.75); r.s = y.s; // x is ±Infinity or y is ±0 } else if (!x.d || y.isZero()) { r = x.s < 0 ? getPi(this, pr, rm) : new this(0); r.s = y.s; // y is ±Infinity or x is ±0 } else if (!y.d || x.isZero()) { r = getPi(this, wpr, 1).times(0.5); r.s = y.s; // Both non-zero and finite } else if (x.s < 0) { this.precision = wpr; this.rounding = 1; r = this.atan(divide(y, x, wpr, 1)); x = getPi(this, wpr, 1); this.precision = pr; this.rounding = rm; r = y.s < 0 ? r.minus(x) : r.plus(x); } else { r = this.atan(divide(y, x, wpr, 1)); } return r; } /* * Return a new Decimal whose value is the cube root of `x`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function cbrt(x) { return new this(x).cbrt(); } /* * Return a new Decimal whose value is `x` rounded to an integer using `ROUND_CEIL`. * * x {number|string|Decimal} * */ function ceil(x) { return finalise(x = new this(x), x.e + 1, 2); } /* * Configure global settings for a Decimal constructor. * * `obj` is an object with one or more of the following properties, * * precision {number} * rounding {number} * toExpNeg {number} * toExpPos {number} * maxE {number} * minE {number} * modulo {number} * crypto {boolean|number} * * E.g. Decimal.config({ precision: 20, rounding: 4 }) * */ function config(obj) { if (!obj || typeof obj !== 'object') throw Error(decimalError + 'Object expected'); var i, p, v, ps = [ 'precision', 1, MAX_DIGITS, 'rounding', 0, 8, 'toExpNeg', -EXP_LIMIT, 0, 'toExpPos', 0, EXP_LIMIT, 'maxE', 0, EXP_LIMIT, 'minE', -EXP_LIMIT, 0, 'modulo', 0, 9 ]; for (i = 0; i < ps.length; i += 3) { if ((v = obj[p = ps[i]]) !== void 0) { if (mathfloor(v) === v && v >= ps[i + 1] && v <= ps[i + 2]) this[p] = v; else throw Error(invalidArgument + p + ': ' + v); } } if ((v = obj[p = 'crypto']) !== void 0) { if (v === true || v === false || v === 0 || v === 1) { if (v) { if (typeof crypto != 'undefined' && crypto && (crypto.getRandomValues || crypto.randomBytes)) { this[p] = true; } else { throw Error(cryptoUnavailable); } } else { this[p] = false; } } else { throw Error(invalidArgument + p + ': ' + v); } } return this; } /* * Return a new Decimal whose value is the cosine of `x`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function cos(x) { return new this(x).cos(); } /* * Return a new Decimal whose value is the hyperbolic cosine of `x`, rounded to precision * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function cosh(x) { return new this(x).cosh(); } /* * Create and return a Decimal constructor with the same configuration properties as this Decimal * constructor. * */ function clone(obj) { var i, p, ps; /* * The Decimal constructor and exported function. * Return a new Decimal instance. * * v {number|string|Decimal} A numeric value. * */ function Decimal(v) { var e, i, t, x = this; // Decimal called without new. if (!(x instanceof Decimal)) return new Decimal(v); // Retain a reference to this Decimal constructor, and shadow Decimal.prototype.constructor // which points to Object. x.constructor = Decimal; // Duplicate. if (v instanceof Decimal) { x.s = v.s; x.e = v.e; x.d = (v = v.d) ? v.slice() : v; return; } t = typeof v; if (t === 'number') { if (v === 0) { x.s = 1 / v < 0 ? -1 : 1; x.e = 0; x.d = [0]; return; } if (v < 0) { v = -v; x.s = -1; } else { x.s = 1; } // Fast path for small integers. if (v === ~~v && v < 1e7) { for (e = 0, i = v; i >= 10; i /= 10) e++; x.e = e; x.d = [v]; return; // Infinity, NaN. } else if (v * 0 !== 0) { if (!v) x.s = NaN; x.e = NaN; x.d = null; return; } return parseDecimal(x, v.toString()); } else if (t !== 'string') { throw Error(invalidArgument + v); } // Minus sign? if (v.charCodeAt(0) === 45) { v = v.slice(1); x.s = -1; } else { x.s = 1; } return isDecimal.test(v) ? parseDecimal(x, v) : parseOther(x, v); } Decimal.prototype = P; Decimal.ROUND_UP = 0; Decimal.ROUND_DOWN = 1; Decimal.ROUND_CEIL = 2; Decimal.ROUND_FLOOR = 3; Decimal.ROUND_HALF_UP = 4; Decimal.ROUND_HALF_DOWN = 5; Decimal.ROUND_HALF_EVEN = 6; Decimal.ROUND_HALF_CEIL = 7; Decimal.ROUND_HALF_FLOOR = 8; Decimal.EUCLID = 9; Decimal.config = Decimal.set = config; Decimal.clone = clone; Decimal.abs = abs; Decimal.acos = acos; Decimal.acosh = acosh; // ES6 Decimal.add = add; Decimal.asin = asin; Decimal.asinh = asinh; // ES6 Decimal.atan = atan; Decimal.atanh = atanh; // ES6 Decimal.atan2 = atan2; Decimal.cbrt = cbrt; // ES6 Decimal.ceil = ceil; Decimal.cos = cos; Decimal.cosh = cosh; // ES6 Decimal.div = div; Decimal.exp = exp; Decimal.floor = floor; Decimal.hypot = hypot; // ES6 Decimal.ln = ln; Decimal.log = log; Decimal.log10 = log10; // ES6 Decimal.log2 = log2; // ES6 Decimal.max = max; Decimal.min = min; Decimal.mod = mod; Decimal.mul = mul; Decimal.pow = pow; Decimal.random = random; Decimal.round = round; Decimal.sign = sign; // ES6 Decimal.sin = sin; Decimal.sinh = sinh; // ES6 Decimal.sqrt = sqrt; Decimal.sub = sub; Decimal.tan = tan; Decimal.tanh = tanh; // ES6 Decimal.trunc = trunc; // ES6 if (obj === void 0) obj = {}; if (obj) { ps = ['precision', 'rounding', 'toExpNeg', 'toExpPos', 'maxE', 'minE', 'modulo', 'crypto']; for (i = 0; i < ps.length;) if (!obj.hasOwnProperty(p = ps[i++])) obj[p] = this[p]; } Decimal.config(obj); return Decimal; } /* * Return a new Decimal whose value is `x` divided by `y`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} * y {number|string|Decimal} * */ function div(x, y) { return new this(x).div(y); } /* * Return a new Decimal whose value is the natural exponential of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} The power to which to raise the base of the natural log. * */ function exp(x) { return new this(x).exp(); } /* * Return a new Decimal whose value is `x` round to an integer using `ROUND_FLOOR`. * * x {number|string|Decimal} * */ function floor(x) { return finalise(x = new this(x), x.e + 1, 3); } /* * Return a new Decimal whose value is the square root of the sum of the squares of the arguments, * rounded to `precision` significant digits using rounding mode `rounding`. * * hypot(a, b, ...) = sqrt(a^2 + b^2 + ...) * */ function hypot() { var i, n, t = new this(0); external = false; for (i = 0; i < arguments.length;) { n = new this(arguments[i++]); if (!n.d) { if (n.s) { external = true; return new this(1 / 0); } t = n; } else if (t.d) { t = t.plus(n.times(n)); } } external = true; return t.sqrt(); } /* * Return a new Decimal whose value is the natural logarithm of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function ln(x) { return new this(x).ln(); } /* * Return a new Decimal whose value is the log of `x` to the base `y`, or to base 10 if no base * is specified, rounded to `precision` significant digits using rounding mode `rounding`. * * log[y](x) * * x {number|string|Decimal} The argument of the logarithm. * y {number|string|Decimal} The base of the logarithm. * */ function log(x, y) { return new this(x).log(y); } /* * Return a new Decimal whose value is the base 2 logarithm of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function log2(x) { return new this(x).log(2); } /* * Return a new Decimal whose value is the base 10 logarithm of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function log10(x) { return new this(x).log(10); } /* * Return a new Decimal whose value is the maximum of the arguments. * * arguments {number|string|Decimal} * */ function max() { return maxOrMin(this, arguments, 'lt'); } /* * Return a new Decimal whose value is the minimum of the arguments. * * arguments {number|string|Decimal} * */ function min() { return maxOrMin(this, arguments, 'gt'); } /* * Return a new Decimal whose value is `x` modulo `y`, rounded to `precision` significant digits * using rounding mode `rounding`. * * x {number|string|Decimal} * y {number|string|Decimal} * */ function mod(x, y) { return new this(x).mod(y); } /* * Return a new Decimal whose value is `x` multiplied by `y`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} * y {number|string|Decimal} * */ function mul(x, y) { return new this(x).mul(y); } /* * Return a new Decimal whose value is `x` raised to the power `y`, rounded to precision * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} The base. * y {number|string|Decimal} The exponent. * */ function pow(x, y) { return new this(x).pow(y); } /* * Returns a new Decimal with a random value equal to or greater than 0 and less than 1, and with * `sd`, or `Decimal.precision` if `sd` is omitted, significant digits (or less if trailing zeros * are produced). * * [sd] {number} Significant digits. Integer, 0 to MAX_DIGITS inclusive. * */ function random(sd) { var d, e, k, n, i = 0, r = new this(1), rd = []; if (sd === void 0) sd = this.precision; else checkInt32(sd, 1, MAX_DIGITS); k = Math.ceil(sd / LOG_BASE); if (!this.crypto) { for (; i < k;) rd[i++] = Math.random() * 1e7 | 0; // Browsers supporting crypto.getRandomValues. } else if (crypto.getRandomValues) { d = crypto.getRandomValues(new Uint32Array(k)); for (; i < k;) { n = d[i]; // 0 <= n < 4294967296 // Probability n >= 4.29e9, is 4967296 / 4294967296 = 0.00116 (1 in 865). if (n >= 4.29e9) { d[i] = crypto.getRandomValues(new Uint32Array(1))[0]; } else { // 0 <= n <= 4289999999 // 0 <= (n % 1e7) <= 9999999 rd[i++] = n % 1e7; } } // Node.js supporting crypto.randomBytes. } else if (crypto.randomBytes) { // buffer d = crypto.randomBytes(k *= 4); for (; i < k;) { // 0 <= n < 2147483648 n = d[i] + (d[i + 1] << 8) + (d[i + 2] << 16) + ((d[i + 3] & 0x7f) << 24); // Probability n >= 2.14e9, is 7483648 / 2147483648 = 0.0035 (1 in 286). if (n >= 2.14e9) { crypto.randomBytes(4).copy(d, i); } else { // 0 <= n <= 2139999999 // 0 <= (n % 1e7) <= 9999999 rd.push(n % 1e7); i += 4; } } i = k / 4; } else { throw Error(cryptoUnavailable); } k = rd[--i]; sd %= LOG_BASE; // Convert trailing digits to zeros according to sd. if (k && sd) { n = mathpow(10, LOG_BASE - sd); rd[i] = (k / n | 0) * n; } // Remove trailing words which are zero. for (; rd[i] === 0; i--) rd.pop(); // Zero? if (i < 0) { e = 0; rd = [0]; } else { e = -1; // Remove leading words which are zero and adjust exponent accordingly. for (; rd[0] === 0; e -= LOG_BASE) rd.shift(); // Count the digits of the first word of rd to determine leading zeros. for (k = 1, n = rd[0]; n >= 10; n /= 10) k++; // Adjust the exponent for leading zeros of the first word of rd. if (k < LOG_BASE) e -= LOG_BASE - k; } r.e = e; r.d = rd; return r; } /* * Return a new Decimal whose value is `x` rounded to an integer using rounding mode `rounding`. * * To emulate `Math.round`, set rounding to 7 (ROUND_HALF_CEIL). * * x {number|string|Decimal} * */ function round(x) { return finalise(x = new this(x), x.e + 1, this.rounding); } /* * Return * 1 if x > 0, * -1 if x < 0, * 0 if x is 0, * -0 if x is -0, * NaN otherwise * */ function sign(x) { x = new this(x); return x.d ? (x.d[0] ? x.s : 0 * x.s) : x.s || NaN; } /* * Return a new Decimal whose value is the sine of `x`, rounded to `precision` significant digits * using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function sin(x) { return new this(x).sin(); } /* * Return a new Decimal whose value is the hyperbolic sine of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function sinh(x) { return new this(x).sinh(); } /* * Return a new Decimal whose value is the square root of `x`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function sqrt(x) { return new this(x).sqrt(); } /* * Return a new Decimal whose value is `x` minus `y`, rounded to `precision` significant digits * using rounding mode `rounding`. * * x {number|string|Decimal} * y {number|string|Decimal} * */ function sub(x, y) { return new this(x).sub(y); } /* * Return a new Decimal whose value is the tangent of `x`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function tan(x) { return new this(x).tan(); } /* * Return a new Decimal whose value is the hyperbolic tangent of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function tanh(x) { return new this(x).tanh(); } /* * Return a new Decimal whose value is `x` truncated to an integer. * * x {number|string|Decimal} * */ function trunc(x) { return finalise(x = new this(x), x.e + 1, 1); } // Create and configure initial Decimal constructor. Decimal = clone(defaults); // Create the internal constants from their string values. LN10 = new Decimal(ln10); PI = new Decimal(pi); /* harmony default export */ __webpack_exports__["a"] = (Decimal); /***/ }), /* 31 */, /* 32 */, /* 33 */, /* 34 */, /* 35 */, /* 36 */, /* 37 */, /* 38 */, /* 39 */, /* 40 */, /* 41 */, /* 42 */, /* 43 */, /* 44 */, /* 45 */, /* 46 */, /* 47 */, /* 48 */, /* 49 */, /* 50 */, /* 51 */, /* 52 */, /* 53 */, /* 54 */, /* 55 */, /* 56 */ /*!********************************************!*\ !*** ./node_modules/jquery/dist/jquery.js ***! \********************************************/ /*! no static exports found */ /*! all exports used */ /***/ (function(module, exports, __webpack_require__) { var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*! * jQuery JavaScript Library v3.3.1 * https://jquery.com/ * * Includes Sizzle.js * https://sizzlejs.com/ * * Copyright JS Foundation and other contributors * Released under the MIT license * https://jquery.org/license * * Date: 2018-01-20T17:24Z */ ( function( global, factory ) { "use strict"; if ( typeof module === "object" && typeof module.exports === "object" ) { // For CommonJS and CommonJS-like environments where a proper `window` // is present, execute the factory and get jQuery. // For environments that do not have a `window` with a `document` // (such as Node.js), expose a factory as module.exports. // This accentuates the need for the creation of a real `window`. // e.g. var jQuery = require("jquery")(window); // See ticket #14549 for more info. module.exports = global.document ? factory( global, true ) : function( w ) { if ( !w.document ) { throw new Error( "jQuery requires a window with a document" ); } return factory( w ); }; } else { factory( global ); } // Pass this if window is not defined yet } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) { // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common // enough that all such attempts are guarded in a try block. "use strict"; var arr = []; var document = window.document; var getProto = Object.getPrototypeOf; var slice = arr.slice; var concat = arr.concat; var push = arr.push; var indexOf = arr.indexOf; var class2type = {}; var toString = class2type.toString; var hasOwn = class2type.hasOwnProperty; var fnToString = hasOwn.toString; var ObjectFunctionString = fnToString.call( Object ); var support = {}; var isFunction = function isFunction( obj ) { // Support: Chrome <=57, Firefox <=52 // In some browsers, typeof returns "function" for HTML elements // (i.e., `typeof document.createElement( "object" ) === "function"`). // We don't want to classify *any* DOM node as a function. return typeof obj === "function" && typeof obj.nodeType !== "number"; }; var isWindow = function isWindow( obj ) { return obj != null && obj === obj.window; }; var preservedScriptAttributes = { type: true, src: true, noModule: true }; function DOMEval( code, doc, node ) { doc = doc || document; var i, script = doc.createElement( "script" ); script.text = code; if ( node ) { for ( i in preservedScriptAttributes ) { if ( node[ i ] ) { script[ i ] = node[ i ]; } } } doc.head.appendChild( script ).parentNode.removeChild( script ); } function toType( obj ) { if ( obj == null ) { return obj + ""; } // Support: Android <=2.3 only (functionish RegExp) return typeof obj === "object" || typeof obj === "function" ? class2type[ toString.call( obj ) ] || "object" : typeof obj; } /* global Symbol */ // Defining this global in .eslintrc.json would create a danger of using the global // unguarded in another place, it seems safer to define global only for this module var version = "3.3.1", // Define a local copy of jQuery jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' // Need init if jQuery is called (just allow error to be thrown if not included) return new jQuery.fn.init( selector, context ); }, // Support: Android <=4.0 only // Make sure we trim BOM and NBSP rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g; jQuery.fn = jQuery.prototype = { // The current version of jQuery being used jquery: version, constructor: jQuery, // The default length of a jQuery object is 0 length: 0, toArray: function() { return slice.call( this ); }, // Get the Nth element in the matched element set OR // Get the whole matched element set as a clean array get: function( num ) { // Return all the elements in a clean array if ( num == null ) { return slice.call( this ); } // Return just the one element from the set return num < 0 ? this[ num + this.length ] : this[ num ]; }, // Take an array of elements and push it onto the stack // (returning the new matched element set) pushStack: function( elems ) { // Build a new jQuery matched element set var ret = jQuery.merge( this.constructor(), elems ); // Add the old object onto the stack (as a reference) ret.prevObject = this; // Return the newly-formed element set return ret; }, // Execute a callback for every element in the matched set. each: function( callback ) { return jQuery.each( this, callback ); }, map: function( callback ) { return this.pushStack( jQuery.map( this, function( elem, i ) { return callback.call( elem, i, elem ); } ) ); }, slice: function() { return this.pushStack( slice.apply( this, arguments ) ); }, first: function() { return this.eq( 0 ); }, last: function() { return this.eq( -1 ); }, eq: function( i ) { var len = this.length, j = +i + ( i < 0 ? len : 0 ); return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] ); }, end: function() { return this.prevObject || this.constructor(); }, // For internal use only. // Behaves like an Array's method, not like a jQuery method. push: push, sort: arr.sort, splice: arr.splice }; jQuery.extend = jQuery.fn.extend = function() { var options, name, src, copy, copyIsArray, clone, target = arguments[ 0 ] || {}, i = 1, length = arguments.length, deep = false; // Handle a deep copy situation if ( typeof target === "boolean" ) { deep = target; // Skip the boolean and the target target = arguments[ i ] || {}; i++; } // Handle case when target is a string or something (possible in deep copy) if ( typeof target !== "object" && !isFunction( target ) ) { target = {}; } // Extend jQuery itself if only one argument is passed if ( i === length ) { target = this; i--; } for ( ; i < length; i++ ) { // Only deal with non-null/undefined values if ( ( options = arguments[ i ] ) != null ) { // Extend the base object for ( name in options ) { src = target[ name ]; copy = options[ name ]; // Prevent never-ending loop if ( target === copy ) { continue; } // Recurse if we're merging plain objects or arrays if ( deep && copy && ( jQuery.isPlainObject( copy ) || ( copyIsArray = Array.isArray( copy ) ) ) ) { if ( copyIsArray ) { copyIsArray = false; clone = src && Array.isArray( src ) ? src : []; } else { clone = src && jQuery.isPlainObject( src ) ? src : {}; } // Never move original objects, clone them target[ name ] = jQuery.extend( deep, clone, copy ); // Don't bring in undefined values } else if ( copy !== undefined ) { target[ name ] = copy; } } } } // Return the modified object return target; }; jQuery.extend( { // Unique for each copy of jQuery on the page expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), // Assume jQuery is ready without the ready module isReady: true, error: function( msg ) { throw new Error( msg ); }, noop: function() {}, isPlainObject: function( obj ) { var proto, Ctor; // Detect obvious negatives // Use toString instead of jQuery.type to catch host objects if ( !obj || toString.call( obj ) !== "[object Object]" ) { return false; } proto = getProto( obj ); // Objects with no prototype (e.g., `Object.create( null )`) are plain if ( !proto ) { return true; } // Objects with prototype are plain iff they were constructed by a global Object function Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; }, isEmptyObject: function( obj ) { /* eslint-disable no-unused-vars */ // See https://github.com/eslint/eslint/issues/6125 var name; for ( name in obj ) { return false; } return true; }, // Evaluates a script in a global context globalEval: function( code ) { DOMEval( code ); }, each: function( obj, callback ) { var length, i = 0; if ( isArrayLike( obj ) ) { length = obj.length; for ( ; i < length; i++ ) { if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { break; } } } else { for ( i in obj ) { if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { break; } } } return obj; }, // Support: Android <=4.0 only trim: function( text ) { return text == null ? "" : ( text + "" ).replace( rtrim, "" ); }, // results is for internal usage only makeArray: function( arr, results ) { var ret = results || []; if ( arr != null ) { if ( isArrayLike( Object( arr ) ) ) { jQuery.merge( ret, typeof arr === "string" ? [ arr ] : arr ); } else { push.call( ret, arr ); } } return ret; }, inArray: function( elem, arr, i ) { return arr == null ? -1 : indexOf.call( arr, elem, i ); }, // Support: Android <=4.0 only, PhantomJS 1 only // push.apply(_, arraylike) throws on ancient WebKit merge: function( first, second ) { var len = +second.length, j = 0, i = first.length; for ( ; j < len; j++ ) { first[ i++ ] = second[ j ]; } first.length = i; return first; }, grep: function( elems, callback, invert ) { var callbackInverse, matches = [], i = 0, length = elems.length, callbackExpect = !invert; // Go through the array, only saving the items // that pass the validator function for ( ; i < length; i++ ) { callbackInverse = !callback( elems[ i ], i ); if ( callbackInverse !== callbackExpect ) { matches.push( elems[ i ] ); } } return matches; }, // arg is for internal usage only map: function( elems, callback, arg ) { var length, value, i = 0, ret = []; // Go through the array, translating each of the items to their new values if ( isArrayLike( elems ) ) { length = elems.length; for ( ; i < length; i++ ) { value = callback( elems[ i ], i, arg ); if ( value != null ) { ret.push( value ); } } // Go through every key on the object, } else { for ( i in elems ) { value = callback( elems[ i ], i, arg ); if ( value != null ) { ret.push( value ); } } } // Flatten any nested arrays return concat.apply( [], ret ); }, // A global GUID counter for objects guid: 1, // jQuery.support is not used in Core but other projects attach their // properties to it so it needs to exist. support: support } ); if ( typeof Symbol === "function" ) { jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; } // Populate the class2type map jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), function( i, name ) { class2type[ "[object " + name + "]" ] = name.toLowerCase(); } ); function isArrayLike( obj ) { // Support: real iOS 8.2 only (not reproducible in simulator) // `in` check used to prevent JIT error (gh-2145) // hasOwn isn't used here due to false negatives // regarding Nodelist length in IE var length = !!obj && "length" in obj && obj.length, type = toType( obj ); if ( isFunction( obj ) || isWindow( obj ) ) { return false; } return type === "array" || length === 0 || typeof length === "number" && length > 0 && ( length - 1 ) in obj; } var Sizzle = /*! * Sizzle CSS Selector Engine v2.3.3 * https://sizzlejs.com/ * * Copyright jQuery Foundation and other contributors * Released under the MIT license * http://jquery.org/license * * Date: 2016-08-08 */ (function( window ) { var i, support, Expr, getText, isXML, tokenize, compile, select, outermostContext, sortInput, hasDuplicate, // Local document vars setDocument, document, docElem, documentIsHTML, rbuggyQSA, rbuggyMatches, matches, contains, // Instance-specific data expando = "sizzle" + 1 * new Date(), preferredDoc = window.document, dirruns = 0, done = 0, classCache = createCache(), tokenCache = createCache(), compilerCache = createCache(), sortOrder = function( a, b ) { if ( a === b ) { hasDuplicate = true; } return 0; }, // Instance methods hasOwn = ({}).hasOwnProperty, arr = [], pop = arr.pop, push_native = arr.push, push = arr.push, slice = arr.slice, // Use a stripped-down indexOf as it's faster than native // https://jsperf.com/thor-indexof-vs-for/5 indexOf = function( list, elem ) { var i = 0, len = list.length; for ( ; i < len; i++ ) { if ( list[i] === elem ) { return i; } } return -1; }, booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", // Regular expressions // http://www.w3.org/TR/css3-selectors/#whitespace whitespace = "[\\x20\\t\\r\\n\\f]", // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+", // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + // Operator (capture 2) "*([*^$|!~]?=)" + whitespace + // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + "*\\]", pseudos = ":(" + identifier + ")(?:\\((" + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: // 1. quoted (capture 3; capture 4 or capture 5) "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + // 2. simple (capture 6) "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + // 3. anything else (capture 2) ".*" + ")\\)|)", // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter rwhitespace = new RegExp( whitespace + "+", "g" ), rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), rpseudo = new RegExp( pseudos ), ridentifier = new RegExp( "^" + identifier + "$" ), matchExpr = { "ID": new RegExp( "^#(" + identifier + ")" ), "CLASS": new RegExp( "^\\.(" + identifier + ")" ), "TAG": new RegExp( "^(" + identifier + "|[*])" ), "ATTR": new RegExp( "^" + attributes ), "PSEUDO": new RegExp( "^" + pseudos ), "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), // For use in libraries implementing .is() // We use this for POS matching in `select` "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) }, rinputs = /^(?:input|select|textarea|button)$/i, rheader = /^h\d$/i, rnative = /^[^{]+\{\s*\[native \w/, // Easily-parseable/retrievable ID or TAG or CLASS selectors rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, rsibling = /[+~]/, // CSS escapes // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), funescape = function( _, escaped, escapedWhitespace ) { var high = "0x" + escaped - 0x10000; // NaN means non-codepoint // Support: Firefox<24 // Workaround erroneous numeric interpretation of +"0x" return high !== high || escapedWhitespace ? escaped : high < 0 ? // BMP codepoint String.fromCharCode( high + 0x10000 ) : // Supplemental Plane codepoint (surrogate pair) String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); }, // CSS string/identifier serialization // https://drafts.csswg.org/cssom/#common-serializing-idioms rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g, fcssescape = function( ch, asCodePoint ) { if ( asCodePoint ) { // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER if ( ch === "\0" ) { return "\uFFFD"; } // Control characters and (dependent upon position) numbers get escaped as code points return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; } // Other potentially-special ASCII characters get backslash-escaped return "\\" + ch; }, // Used for iframes // See setDocument() // Removing the function wrapper causes a "Permission Denied" // error in IE unloadHandler = function() { setDocument(); }, disabledAncestor = addCombinator( function( elem ) { return elem.disabled === true && ("form" in elem || "label" in elem); }, { dir: "parentNode", next: "legend" } ); // Optimize for push.apply( _, NodeList ) try { push.apply( (arr = slice.call( preferredDoc.childNodes )), preferredDoc.childNodes ); // Support: Android<4.0 // Detect silently failing push.apply arr[ preferredDoc.childNodes.length ].nodeType; } catch ( e ) { push = { apply: arr.length ? // Leverage slice if possible function( target, els ) { push_native.apply( target, slice.call(els) ); } : // Support: IE<9 // Otherwise append directly function( target, els ) { var j = target.length, i = 0; // Can't trust NodeList.length while ( (target[j++] = els[i++]) ) {} target.length = j - 1; } }; } function Sizzle( selector, context, results, seed ) { var m, i, elem, nid, match, groups, newSelector, newContext = context && context.ownerDocument, // nodeType defaults to 9, since context defaults to document nodeType = context ? context.nodeType : 9; results = results || []; // Return early from calls with invalid selector or context if ( typeof selector !== "string" || !selector || nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { return results; } // Try to shortcut find operations (as opposed to filters) in HTML documents if ( !seed ) { if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { setDocument( context ); } context = context || document; if ( documentIsHTML ) { // If the selector is sufficiently simple, try using a "get*By*" DOM method // (excepting DocumentFragment context, where the methods don't exist) if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) { // ID selector if ( (m = match[1]) ) { // Document context if ( nodeType === 9 ) { if ( (elem = context.getElementById( m )) ) { // Support: IE, Opera, Webkit // TODO: identify versions // getElementById can match elements by name instead of ID if ( elem.id === m ) { results.push( elem ); return results; } } else { return results; } // Element context } else { // Support: IE, Opera, Webkit // TODO: identify versions // getElementById can match elements by name instead of ID if ( newContext && (elem = newContext.getElementById( m )) && contains( context, elem ) && elem.id === m ) { results.push( elem ); return results; } } // Type selector } else if ( match[2] ) { push.apply( results, context.getElementsByTagName( selector ) ); return results; // Class selector } else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) { push.apply( results, context.getElementsByClassName( m ) ); return results; } } // Take advantage of querySelectorAll if ( support.qsa && !compilerCache[ selector + " " ] && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { if ( nodeType !== 1 ) { newContext = context; newSelector = selector; // qSA looks outside Element context, which is not what we want // Thanks to Andrew Dupont for this workaround technique // Support: IE <=8 // Exclude object elements } else if ( context.nodeName.toLowerCase() !== "object" ) { // Capture the context ID, setting it first if necessary if ( (nid = context.getAttribute( "id" )) ) { nid = nid.replace( rcssescape, fcssescape ); } else { context.setAttribute( "id", (nid = expando) ); } // Prefix every selector in the list groups = tokenize( selector ); i = groups.length; while ( i-- ) { groups[i] = "#" + nid + " " + toSelector( groups[i] ); } newSelector = groups.join( "," ); // Expand context for sibling selectors newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context; } if ( newSelector ) { try { push.apply( results, newContext.querySelectorAll( newSelector ) ); return results; } catch ( qsaError ) { } finally { if ( nid === expando ) { context.removeAttribute( "id" ); } } } } } } // All others return select( selector.replace( rtrim, "$1" ), context, results, seed ); } /** * Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) * deleting the oldest entry */ function createCache() { var keys = []; function cache( key, value ) { // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) if ( keys.push( key + " " ) > Expr.cacheLength ) { // Only keep the most recent entries delete cache[ keys.shift() ]; } return (cache[ key + " " ] = value); } return cache; } /** * Mark a function for special use by Sizzle * @param {Function} fn The function to mark */ function markFunction( fn ) { fn[ expando ] = true; return fn; } /** * Support testing using an element * @param {Function} fn Passed the created element and returns a boolean result */ function assert( fn ) { var el = document.createElement("fieldset"); try { return !!fn( el ); } catch (e) { return false; } finally { // Remove from its parent by default if ( el.parentNode ) { el.parentNode.removeChild( el ); } // release memory in IE el = null; } } /** * Adds the same handler for all of the specified attrs * @param {String} attrs Pipe-separated list of attributes * @param {Function} handler The method that will be applied */ function addHandle( attrs, handler ) { var arr = attrs.split("|"), i = arr.length; while ( i-- ) { Expr.attrHandle[ arr[i] ] = handler; } } /** * Checks document order of two siblings * @param {Element} a * @param {Element} b * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b */ function siblingCheck( a, b ) { var cur = b && a, diff = cur && a.nodeType === 1 && b.nodeType === 1 && a.sourceIndex - b.sourceIndex; // Use IE sourceIndex if available on both nodes if ( diff ) { return diff; } // Check if b follows a if ( cur ) { while ( (cur = cur.nextSibling) ) { if ( cur === b ) { return -1; } } } return a ? 1 : -1; } /** * Returns a function to use in pseudos for input types * @param {String} type */ function createInputPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === type; }; } /** * Returns a function to use in pseudos for buttons * @param {String} type */ function createButtonPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return (name === "input" || name === "button") && elem.type === type; }; } /** * Returns a function to use in pseudos for :enabled/:disabled * @param {Boolean} disabled true for :disabled; false for :enabled */ function createDisabledPseudo( disabled ) { // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable return function( elem ) { // Only certain elements can match :enabled or :disabled // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled if ( "form" in elem ) { // Check for inherited disabledness on relevant non-disabled elements: // * listed form-associated elements in a disabled fieldset // https://html.spec.whatwg.org/multipage/forms.html#category-listed // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled // * option elements in a disabled optgroup // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled // All such elements have a "form" property. if ( elem.parentNode && elem.disabled === false ) { // Option elements defer to a parent optgroup if present if ( "label" in elem ) { if ( "label" in elem.parentNode ) { return elem.parentNode.disabled === disabled; } else { return elem.disabled === disabled; } } // Support: IE 6 - 11 // Use the isDisabled shortcut property to check for disabled fieldset ancestors return elem.isDisabled === disabled || // Where there is no isDisabled, check manually /* jshint -W018 */ elem.isDisabled !== !disabled && disabledAncestor( elem ) === disabled; } return elem.disabled === disabled; // Try to winnow out elements that can't be disabled before trusting the disabled property. // Some victims get caught in our net (label, legend, menu, track), but it shouldn't // even exist on them, let alone have a boolean value. } else if ( "label" in elem ) { return elem.disabled === disabled; } // Remaining elements are neither :enabled nor :disabled return false; }; } /** * Returns a function to use in pseudos for positionals * @param {Function} fn */ function createPositionalPseudo( fn ) { return markFunction(function( argument ) { argument = +argument; return markFunction(function( seed, matches ) { var j, matchIndexes = fn( [], seed.length, argument ), i = matchIndexes.length; // Match elements found at the specified indexes while ( i-- ) { if ( seed[ (j = matchIndexes[i]) ] ) { seed[j] = !(matches[j] = seed[j]); } } }); }); } /** * Checks a node for validity as a Sizzle context * @param {Element|Object=} context * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value */ function testContext( context ) { return context && typeof context.getElementsByTagName !== "undefined" && context; } // Expose support vars for convenience support = Sizzle.support = {}; /** * Detects XML nodes * @param {Element|Object} elem An element or a document * @returns {Boolean} True iff elem is a non-HTML XML node */ isXML = Sizzle.isXML = function( elem ) { // documentElement is verified for cases where it doesn't yet exist // (such as loading iframes in IE - #4833) var documentElement = elem && (elem.ownerDocument || elem).documentElement; return documentElement ? documentElement.nodeName !== "HTML" : false; }; /** * Sets document-related variables once based on the current document * @param {Element|Object} [doc] An element or document object to use to set the document * @returns {Object} Returns the current document */ setDocument = Sizzle.setDocument = function( node ) { var hasCompare, subWindow, doc = node ? node.ownerDocument || node : preferredDoc; // Return early if doc is invalid or already selected if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { return document; } // Update global variables document = doc; docElem = document.documentElement; documentIsHTML = !isXML( document ); // Support: IE 9-11, Edge // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) if ( preferredDoc !== document && (subWindow = document.defaultView) && subWindow.top !== subWindow ) { // Support: IE 11, Edge if ( subWindow.addEventListener ) { subWindow.addEventListener( "unload", unloadHandler, false ); // Support: IE 9 - 10 only } else if ( subWindow.attachEvent ) { subWindow.attachEvent( "onunload", unloadHandler ); } } /* Attributes ---------------------------------------------------------------------- */ // Support: IE<8 // Verify that getAttribute really returns attributes and not properties // (excepting IE8 booleans) support.attributes = assert(function( el ) { el.className = "i"; return !el.getAttribute("className"); }); /* getElement(s)By* ---------------------------------------------------------------------- */ // Check if getElementsByTagName("*") returns only elements support.getElementsByTagName = assert(function( el ) { el.appendChild( document.createComment("") ); return !el.getElementsByTagName("*").length; }); // Support: IE<9 support.getElementsByClassName = rnative.test( document.getElementsByClassName ); // Support: IE<10 // Check if getElementById returns elements by name // The broken getElementById methods don't pick up programmatically-set names, // so use a roundabout getElementsByName test support.getById = assert(function( el ) { docElem.appendChild( el ).id = expando; return !document.getElementsByName || !document.getElementsByName( expando ).length; }); // ID filter and find if ( support.getById ) { Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { return elem.getAttribute("id") === attrId; }; }; Expr.find["ID"] = function( id, context ) { if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { var elem = context.getElementById( id ); return elem ? [ elem ] : []; } }; } else { Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id"); return node && node.value === attrId; }; }; // Support: IE 6 - 7 only // getElementById is not reliable as a find shortcut Expr.find["ID"] = function( id, context ) { if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { var node, i, elems, elem = context.getElementById( id ); if ( elem ) { // Verify the id attribute node = elem.getAttributeNode("id"); if ( node && node.value === id ) { return [ elem ]; } // Fall back on getElementsByName elems = context.getElementsByName( id ); i = 0; while ( (elem = elems[i++]) ) { node = elem.getAttributeNode("id"); if ( node && node.value === id ) { return [ elem ]; } } } return []; } }; } // Tag Expr.find["TAG"] = support.getElementsByTagName ? function( tag, context ) { if ( typeof context.getElementsByTagName !== "undefined" ) { return context.getElementsByTagName( tag ); // DocumentFragment nodes don't have gEBTN } else if ( support.qsa ) { return context.querySelectorAll( tag ); } } : function( tag, context ) { var elem, tmp = [], i = 0, // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too results = context.getElementsByTagName( tag ); // Filter out possible comments if ( tag === "*" ) { while ( (elem = results[i++]) ) { if ( elem.nodeType === 1 ) { tmp.push( elem ); } } return tmp; } return results; }; // Class Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { return context.getElementsByClassName( className ); } }; /* QSA/matchesSelector ---------------------------------------------------------------------- */ // QSA and matchesSelector support // matchesSelector(:active) reports false when true (IE9/Opera 11.5) rbuggyMatches = []; // qSa(:focus) reports false when true (Chrome 21) // We allow this because of a bug in IE8/9 that throws an error // whenever `document.activeElement` is accessed on an iframe // So, we allow :focus to pass through QSA all the time to avoid the IE error // See https://bugs.jquery.com/ticket/13378 rbuggyQSA = []; if ( (support.qsa = rnative.test( document.querySelectorAll )) ) { // Build QSA regex // Regex strategy adopted from Diego Perini assert(function( el ) { // Select is set to empty string on purpose // This is to test IE's treatment of not explicitly // setting a boolean content attribute, // since its presence should be enough // https://bugs.jquery.com/ticket/12359 docElem.appendChild( el ).innerHTML = "" + ""; // Support: IE8, Opera 11-12.16 // Nothing should be selected when empty strings follow ^= or $= or *= // The test attribute must be unknown in Opera but "safe" for WinRT // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section if ( el.querySelectorAll("[msallowcapture^='']").length ) { rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); } // Support: IE8 // Boolean attributes and "value" are not treated correctly if ( !el.querySelectorAll("[selected]").length ) { rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); } // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) { rbuggyQSA.push("~="); } // Webkit/Opera - :checked should return selected option elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked // IE8 throws error here and will not see later tests if ( !el.querySelectorAll(":checked").length ) { rbuggyQSA.push(":checked"); } // Support: Safari 8+, iOS 8+ // https://bugs.webkit.org/show_bug.cgi?id=136851 // In-page `selector#id sibling-combinator selector` fails if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) { rbuggyQSA.push(".#.+[+~]"); } }); assert(function( el ) { el.innerHTML = "" + ""; // Support: Windows 8 Native Apps // The type and name attributes are restricted during .innerHTML assignment var input = document.createElement("input"); input.setAttribute( "type", "hidden" ); el.appendChild( input ).setAttribute( "name", "D" ); // Support: IE8 // Enforce case-sensitivity of name attribute if ( el.querySelectorAll("[name=d]").length ) { rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); } // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) // IE8 throws error here and will not see later tests if ( el.querySelectorAll(":enabled").length !== 2 ) { rbuggyQSA.push( ":enabled", ":disabled" ); } // Support: IE9-11+ // IE's :disabled selector does not pick up the children of disabled fieldsets docElem.appendChild( el ).disabled = true; if ( el.querySelectorAll(":disabled").length !== 2 ) { rbuggyQSA.push( ":enabled", ":disabled" ); } // Opera 10-11 does not throw on post-comma invalid pseudos el.querySelectorAll("*,:x"); rbuggyQSA.push(",.*:"); }); } if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || docElem.webkitMatchesSelector || docElem.mozMatchesSelector || docElem.oMatchesSelector || docElem.msMatchesSelector) )) ) { assert(function( el ) { // Check to see if it's possible to do matchesSelector // on a disconnected node (IE 9) support.disconnectedMatch = matches.call( el, "*" ); // This should fail with an exception // Gecko does not error, returns false instead matches.call( el, "[s!='']:x" ); rbuggyMatches.push( "!=", pseudos ); }); } rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") ); /* Contains ---------------------------------------------------------------------- */ hasCompare = rnative.test( docElem.compareDocumentPosition ); // Element contains another // Purposefully self-exclusive // As in, an element does not contain itself contains = hasCompare || rnative.test( docElem.contains ) ? function( a, b ) { var adown = a.nodeType === 9 ? a.documentElement : a, bup = b && b.parentNode; return a === bup || !!( bup && bup.nodeType === 1 && ( adown.contains ? adown.contains( bup ) : a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 )); } : function( a, b ) { if ( b ) { while ( (b = b.parentNode) ) { if ( b === a ) { return true; } } } return false; }; /* Sorting ---------------------------------------------------------------------- */ // Document order sorting sortOrder = hasCompare ? function( a, b ) { // Flag for duplicate removal if ( a === b ) { hasDuplicate = true; return 0; } // Sort on method existence if only one input has compareDocumentPosition var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; if ( compare ) { return compare; } // Calculate position if both inputs belong to the same document compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? a.compareDocumentPosition( b ) : // Otherwise we know they are disconnected 1; // Disconnected nodes if ( compare & 1 || (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) { // Choose the first element that is related to our preferred document if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { return -1; } if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { return 1; } // Maintain original order return sortInput ? ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 0; } return compare & 4 ? -1 : 1; } : function( a, b ) { // Exit early if the nodes are identical if ( a === b ) { hasDuplicate = true; return 0; } var cur, i = 0, aup = a.parentNode, bup = b.parentNode, ap = [ a ], bp = [ b ]; // Parentless nodes are either documents or disconnected if ( !aup || !bup ) { return a === document ? -1 : b === document ? 1 : aup ? -1 : bup ? 1 : sortInput ? ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 0; // If the nodes are siblings, we can do a quick check } else if ( aup === bup ) { return siblingCheck( a, b ); } // Otherwise we need full lists of their ancestors for comparison cur = a; while ( (cur = cur.parentNode) ) { ap.unshift( cur ); } cur = b; while ( (cur = cur.parentNode) ) { bp.unshift( cur ); } // Walk down the tree looking for a discrepancy while ( ap[i] === bp[i] ) { i++; } return i ? // Do a sibling check if the nodes have a common ancestor siblingCheck( ap[i], bp[i] ) : // Otherwise nodes in our document sort first ap[i] === preferredDoc ? -1 : bp[i] === preferredDoc ? 1 : 0; }; return document; }; Sizzle.matches = function( expr, elements ) { return Sizzle( expr, null, null, elements ); }; Sizzle.matchesSelector = function( elem, expr ) { // Set document vars if needed if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); } // Make sure that attribute selectors are quoted expr = expr.replace( rattributeQuotes, "='$1']" ); if ( support.matchesSelector && documentIsHTML && !compilerCache[ expr + " " ] && ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { try { var ret = matches.call( elem, expr ); // IE 9's matchesSelector returns false on disconnected nodes if ( ret || support.disconnectedMatch || // As well, disconnected nodes are said to be in a document // fragment in IE 9 elem.document && elem.document.nodeType !== 11 ) { return ret; } } catch (e) {} } return Sizzle( expr, document, null, [ elem ] ).length > 0; }; Sizzle.contains = function( context, elem ) { // Set document vars if needed if ( ( context.ownerDocument || context ) !== document ) { setDocument( context ); } return contains( context, elem ); }; Sizzle.attr = function( elem, name ) { // Set document vars if needed if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); } var fn = Expr.attrHandle[ name.toLowerCase() ], // Don't get fooled by Object.prototype properties (jQuery #13807) val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? fn( elem, name, !documentIsHTML ) : undefined; return val !== undefined ? val : support.attributes || !documentIsHTML ? elem.getAttribute( name ) : (val = elem.getAttributeNode(name)) && val.specified ? val.value : null; }; Sizzle.escape = function( sel ) { return (sel + "").replace( rcssescape, fcssescape ); }; Sizzle.error = function( msg ) { throw new Error( "Syntax error, unrecognized expression: " + msg ); }; /** * Document sorting and removing duplicates * @param {ArrayLike} results */ Sizzle.uniqueSort = function( results ) { var elem, duplicates = [], j = 0, i = 0; // Unless we *know* we can detect duplicates, assume their presence hasDuplicate = !support.detectDuplicates; sortInput = !support.sortStable && results.slice( 0 ); results.sort( sortOrder ); if ( hasDuplicate ) { while ( (elem = results[i++]) ) { if ( elem === results[ i ] ) { j = duplicates.push( i ); } } while ( j-- ) { results.splice( duplicates[ j ], 1 ); } } // Clear input after sorting to release objects // See https://github.com/jquery/sizzle/pull/225 sortInput = null; return results; }; /** * Utility function for retrieving the text value of an array of DOM nodes * @param {Array|Element} elem */ getText = Sizzle.getText = function( elem ) { var node, ret = "", i = 0, nodeType = elem.nodeType; if ( !nodeType ) { // If no nodeType, this is expected to be an array while ( (node = elem[i++]) ) { // Do not traverse comment nodes ret += getText( node ); } } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { // Use textContent for elements // innerText usage removed for consistency of new lines (jQuery #11153) if ( typeof elem.textContent === "string" ) { return elem.textContent; } else { // Traverse its children for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { ret += getText( elem ); } } } else if ( nodeType === 3 || nodeType === 4 ) { return elem.nodeValue; } // Do not include comment or processing instruction nodes return ret; }; Expr = Sizzle.selectors = { // Can be adjusted by the user cacheLength: 50, createPseudo: markFunction, match: matchExpr, attrHandle: {}, find: {}, relative: { ">": { dir: "parentNode", first: true }, " ": { dir: "parentNode" }, "+": { dir: "previousSibling", first: true }, "~": { dir: "previousSibling" } }, preFilter: { "ATTR": function( match ) { match[1] = match[1].replace( runescape, funescape ); // Move the given value to match[3] whether quoted or unquoted match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape ); if ( match[2] === "~=" ) { match[3] = " " + match[3] + " "; } return match.slice( 0, 4 ); }, "CHILD": function( match ) { /* matches from matchExpr["CHILD"] 1 type (only|nth|...) 2 what (child|of-type) 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) 4 xn-component of xn+y argument ([+-]?\d*n|) 5 sign of xn-component 6 x of xn-component 7 sign of y-component 8 y of y-component */ match[1] = match[1].toLowerCase(); if ( match[1].slice( 0, 3 ) === "nth" ) { // nth-* requires argument if ( !match[3] ) { Sizzle.error( match[0] ); } // numeric x and y parameters for Expr.filter.CHILD // remember that false/true cast respectively to 0/1 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" ); // other types prohibit arguments } else if ( match[3] ) { Sizzle.error( match[0] ); } return match; }, "PSEUDO": function( match ) { var excess, unquoted = !match[6] && match[2]; if ( matchExpr["CHILD"].test( match[0] ) ) { return null; } // Accept quoted arguments as-is if ( match[3] ) { match[2] = match[4] || match[5] || ""; // Strip excess characters from unquoted arguments } else if ( unquoted && rpseudo.test( unquoted ) && // Get excess from tokenize (recursively) (excess = tokenize( unquoted, true )) && // advance to the next closing parenthesis (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) { // excess is a negative index match[0] = match[0].slice( 0, excess ); match[2] = unquoted.slice( 0, excess ); } // Return only captures needed by the pseudo filter method (type and argument) return match.slice( 0, 3 ); } }, filter: { "TAG": function( nodeNameSelector ) { var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); return nodeNameSelector === "*" ? function() { return true; } : function( elem ) { return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; }; }, "CLASS": function( className ) { var pattern = classCache[ className + " " ]; return pattern || (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && classCache( className, function( elem ) { return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" ); }); }, "ATTR": function( name, operator, check ) { return function( elem ) { var result = Sizzle.attr( elem, name ); if ( result == null ) { return operator === "!="; } if ( !operator ) { return true; } result += ""; return operator === "=" ? result === check : operator === "!=" ? result !== check : operator === "^=" ? check && result.indexOf( check ) === 0 : operator === "*=" ? check && result.indexOf( check ) > -1 : operator === "$=" ? check && result.slice( -check.length ) === check : operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : false; }; }, "CHILD": function( type, what, argument, first, last ) { var simple = type.slice( 0, 3 ) !== "nth", forward = type.slice( -4 ) !== "last", ofType = what === "of-type"; return first === 1 && last === 0 ? // Shortcut for :nth-*(n) function( elem ) { return !!elem.parentNode; } : function( elem, context, xml ) { var cache, uniqueCache, outerCache, node, nodeIndex, start, dir = simple !== forward ? "nextSibling" : "previousSibling", parent = elem.parentNode, name = ofType && elem.nodeName.toLowerCase(), useCache = !xml && !ofType, diff = false; if ( parent ) { // :(first|last|only)-(child|of-type) if ( simple ) { while ( dir ) { node = elem; while ( (node = node[ dir ]) ) { if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) { return false; } } // Reverse direction for :only-* (if we haven't yet done so) start = dir = type === "only" && !start && "nextSibling"; } return true; } start = [ forward ? parent.firstChild : parent.lastChild ]; // non-xml :nth-child(...) stores cache data on `parent` if ( forward && useCache ) { // Seek `elem` from a previously-cached index // ...in a gzip-friendly way node = parent; outerCache = node[ expando ] || (node[ expando ] = {}); // Support: IE <9 only // Defend against cloned attroperties (jQuery gh-1709) uniqueCache = outerCache[ node.uniqueID ] || (outerCache[ node.uniqueID ] = {}); cache = uniqueCache[ type ] || []; nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; diff = nodeIndex && cache[ 2 ]; node = nodeIndex && parent.childNodes[ nodeIndex ]; while ( (node = ++nodeIndex && node && node[ dir ] || // Fallback to seeking `elem` from the start (diff = nodeIndex = 0) || start.pop()) ) { // When found, cache indexes on `parent` and break if ( node.nodeType === 1 && ++diff && node === elem ) { uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; break; } } } else { // Use previously-cached element index if available if ( useCache ) { // ...in a gzip-friendly way node = elem; outerCache = node[ expando ] || (node[ expando ] = {}); // Support: IE <9 only // Defend against cloned attroperties (jQuery gh-1709) uniqueCache = outerCache[ node.uniqueID ] || (outerCache[ node.uniqueID ] = {}); cache = uniqueCache[ type ] || []; nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; diff = nodeIndex; } // xml :nth-child(...) // or :nth-last-child(...) or :nth(-last)?-of-type(...) if ( diff === false ) { // Use the same loop as above to seek `elem` from the start while ( (node = ++nodeIndex && node && node[ dir ] || (diff = nodeIndex = 0) || start.pop()) ) { if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) { // Cache the index of each encountered element if ( useCache ) { outerCache = node[ expando ] || (node[ expando ] = {}); // Support: IE <9 only // Defend against cloned attroperties (jQuery gh-1709) uniqueCache = outerCache[ node.uniqueID ] || (outerCache[ node.uniqueID ] = {}); uniqueCache[ type ] = [ dirruns, diff ]; } if ( node === elem ) { break; } } } } } // Incorporate the offset, then check against cycle size diff -= last; return diff === first || ( diff % first === 0 && diff / first >= 0 ); } }; }, "PSEUDO": function( pseudo, argument ) { // pseudo-class names are case-insensitive // http://www.w3.org/TR/selectors/#pseudo-classes // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters // Remember that setFilters inherits from pseudos var args, fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || Sizzle.error( "unsupported pseudo: " + pseudo ); // The user may use createPseudo to indicate that // arguments are needed to create the filter function // just as Sizzle does if ( fn[ expando ] ) { return fn( argument ); } // But maintain support for old signatures if ( fn.length > 1 ) { args = [ pseudo, pseudo, "", argument ]; return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? markFunction(function( seed, matches ) { var idx, matched = fn( seed, argument ), i = matched.length; while ( i-- ) { idx = indexOf( seed, matched[i] ); seed[ idx ] = !( matches[ idx ] = matched[i] ); } }) : function( elem ) { return fn( elem, 0, args ); }; } return fn; } }, pseudos: { // Potentially complex pseudos "not": markFunction(function( selector ) { // Trim the selector passed to compile // to avoid treating leading and trailing // spaces as combinators var input = [], results = [], matcher = compile( selector.replace( rtrim, "$1" ) ); return matcher[ expando ] ? markFunction(function( seed, matches, context, xml ) { var elem, unmatched = matcher( seed, null, xml, [] ), i = seed.length; // Match elements unmatched by `matcher` while ( i-- ) { if ( (elem = unmatched[i]) ) { seed[i] = !(matches[i] = elem); } } }) : function( elem, context, xml ) { input[0] = elem; matcher( input, null, xml, results ); // Don't keep the element (issue #299) input[0] = null; return !results.pop(); }; }), "has": markFunction(function( selector ) { return function( elem ) { return Sizzle( selector, elem ).length > 0; }; }), "contains": markFunction(function( text ) { text = text.replace( runescape, funescape ); return function( elem ) { return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; }; }), // "Whether an element is represented by a :lang() selector // is based solely on the element's language value // being equal to the identifier C, // or beginning with the identifier C immediately followed by "-". // The matching of C against the element's language value is performed case-insensitively. // The identifier C does not have to be a valid language name." // http://www.w3.org/TR/selectors/#lang-pseudo "lang": markFunction( function( lang ) { // lang value must be a valid identifier if ( !ridentifier.test(lang || "") ) { Sizzle.error( "unsupported lang: " + lang ); } lang = lang.replace( runescape, funescape ).toLowerCase(); return function( elem ) { var elemLang; do { if ( (elemLang = documentIsHTML ? elem.lang : elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) { elemLang = elemLang.toLowerCase(); return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; } } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); return false; }; }), // Miscellaneous "target": function( elem ) { var hash = window.location && window.location.hash; return hash && hash.slice( 1 ) === elem.id; }, "root": function( elem ) { return elem === docElem; }, "focus": function( elem ) { return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); }, // Boolean properties "enabled": createDisabledPseudo( false ), "disabled": createDisabledPseudo( true ), "checked": function( elem ) { // In CSS3, :checked should return both checked and selected elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked var nodeName = elem.nodeName.toLowerCase(); return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); }, "selected": function( elem ) { // Accessing this property makes selected-by-default // options in Safari work properly if ( elem.parentNode ) { elem.parentNode.selectedIndex; } return elem.selected === true; }, // Contents "empty": function( elem ) { // http://www.w3.org/TR/selectors/#empty-pseudo // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), // but not by others (comment: 8; processing instruction: 7; etc.) // nodeType < 6 works because attributes (2) do not appear as children for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { if ( elem.nodeType < 6 ) { return false; } } return true; }, "parent": function( elem ) { return !Expr.pseudos["empty"]( elem ); }, // Element/input types "header": function( elem ) { return rheader.test( elem.nodeName ); }, "input": function( elem ) { return rinputs.test( elem.nodeName ); }, "button": function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === "button" || name === "button"; }, "text": function( elem ) { var attr; return elem.nodeName.toLowerCase() === "input" && elem.type === "text" && // Support: IE<8 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); }, // Position-in-collection "first": createPositionalPseudo(function() { return [ 0 ]; }), "last": createPositionalPseudo(function( matchIndexes, length ) { return [ length - 1 ]; }), "eq": createPositionalPseudo(function( matchIndexes, length, argument ) { return [ argument < 0 ? argument + length : argument ]; }), "even": createPositionalPseudo(function( matchIndexes, length ) { var i = 0; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }), "odd": createPositionalPseudo(function( matchIndexes, length ) { var i = 1; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }), "lt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; --i >= 0; ) { matchIndexes.push( i ); } return matchIndexes; }), "gt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; ++i < length; ) { matchIndexes.push( i ); } return matchIndexes; }) } }; Expr.pseudos["nth"] = Expr.pseudos["eq"]; // Add button/input type pseudos for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { Expr.pseudos[ i ] = createInputPseudo( i ); } for ( i in { submit: true, reset: true } ) { Expr.pseudos[ i ] = createButtonPseudo( i ); } // Easy API for creating new setFilters function setFilters() {} setFilters.prototype = Expr.filters = Expr.pseudos; Expr.setFilters = new setFilters(); tokenize = Sizzle.tokenize = function( selector, parseOnly ) { var matched, match, tokens, type, soFar, groups, preFilters, cached = tokenCache[ selector + " " ]; if ( cached ) { return parseOnly ? 0 : cached.slice( 0 ); } soFar = selector; groups = []; preFilters = Expr.preFilter; while ( soFar ) { // Comma and first run if ( !matched || (match = rcomma.exec( soFar )) ) { if ( match ) { // Don't consume trailing commas as valid soFar = soFar.slice( match[0].length ) || soFar; } groups.push( (tokens = []) ); } matched = false; // Combinators if ( (match = rcombinators.exec( soFar )) ) { matched = match.shift(); tokens.push({ value: matched, // Cast descendant combinators to space type: match[0].replace( rtrim, " " ) }); soFar = soFar.slice( matched.length ); } // Filters for ( type in Expr.filter ) { if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || (match = preFilters[ type ]( match ))) ) { matched = match.shift(); tokens.push({ value: matched, type: type, matches: match }); soFar = soFar.slice( matched.length ); } } if ( !matched ) { break; } } // Return the length of the invalid excess // if we're just parsing // Otherwise, throw an error or return tokens return parseOnly ? soFar.length : soFar ? Sizzle.error( selector ) : // Cache the tokens tokenCache( selector, groups ).slice( 0 ); }; function toSelector( tokens ) { var i = 0, len = tokens.length, selector = ""; for ( ; i < len; i++ ) { selector += tokens[i].value; } return selector; } function addCombinator( matcher, combinator, base ) { var dir = combinator.dir, skip = combinator.next, key = skip || dir, checkNonElements = base && key === "parentNode", doneName = done++; return combinator.first ? // Check against closest ancestor/preceding element function( elem, context, xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { return matcher( elem, context, xml ); } } return false; } : // Check against all ancestor/preceding elements function( elem, context, xml ) { var oldCache, uniqueCache, outerCache, newCache = [ dirruns, doneName ]; // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching if ( xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { if ( matcher( elem, context, xml ) ) { return true; } } } } else { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { outerCache = elem[ expando ] || (elem[ expando ] = {}); // Support: IE <9 only // Defend against cloned attroperties (jQuery gh-1709) uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {}); if ( skip && skip === elem.nodeName.toLowerCase() ) { elem = elem[ dir ] || elem; } else if ( (oldCache = uniqueCache[ key ]) && oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { // Assign to newCache so results back-propagate to previous elements return (newCache[ 2 ] = oldCache[ 2 ]); } else { // Reuse newcache so results back-propagate to previous elements uniqueCache[ key ] = newCache; // A match means we're done; a fail means we have to keep checking if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { return true; } } } } } return false; }; } function elementMatcher( matchers ) { return matchers.length > 1 ? function( elem, context, xml ) { var i = matchers.length; while ( i-- ) { if ( !matchers[i]( elem, context, xml ) ) { return false; } } return true; } : matchers[0]; } function multipleContexts( selector, contexts, results ) { var i = 0, len = contexts.length; for ( ; i < len; i++ ) { Sizzle( selector, contexts[i], results ); } return results; } function condense( unmatched, map, filter, context, xml ) { var elem, newUnmatched = [], i = 0, len = unmatched.length, mapped = map != null; for ( ; i < len; i++ ) { if ( (elem = unmatched[i]) ) { if ( !filter || filter( elem, context, xml ) ) { newUnmatched.push( elem ); if ( mapped ) { map.push( i ); } } } } return newUnmatched; } function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { if ( postFilter && !postFilter[ expando ] ) { postFilter = setMatcher( postFilter ); } if ( postFinder && !postFinder[ expando ] ) { postFinder = setMatcher( postFinder, postSelector ); } return markFunction(function( seed, results, context, xml ) { var temp, i, elem, preMap = [], postMap = [], preexisting = results.length, // Get initial elements from seed or context elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ), // Prefilter to get matcher input, preserving a map for seed-results synchronization matcherIn = preFilter && ( seed || !selector ) ? condense( elems, preMap, preFilter, context, xml ) : elems, matcherOut = matcher ? // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, postFinder || ( seed ? preFilter : preexisting || postFilter ) ? // ...intermediate processing is necessary [] : // ...otherwise use results directly results : matcherIn; // Find primary matches if ( matcher ) { matcher( matcherIn, matcherOut, context, xml ); } // Apply postFilter if ( postFilter ) { temp = condense( matcherOut, postMap ); postFilter( temp, [], context, xml ); // Un-match failing elements by moving them back to matcherIn i = temp.length; while ( i-- ) { if ( (elem = temp[i]) ) { matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); } } } if ( seed ) { if ( postFinder || preFilter ) { if ( postFinder ) { // Get the final matcherOut by condensing this intermediate into postFinder contexts temp = []; i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) ) { // Restore matcherIn since elem is not yet a final match temp.push( (matcherIn[i] = elem) ); } } postFinder( null, (matcherOut = []), temp, xml ); } // Move matched elements from seed to results to keep them synchronized i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) && (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) { seed[temp] = !(results[temp] = elem); } } } // Add elements to results, through postFinder if defined } else { matcherOut = condense( matcherOut === results ? matcherOut.splice( preexisting, matcherOut.length ) : matcherOut ); if ( postFinder ) { postFinder( null, results, matcherOut, xml ); } else { push.apply( results, matcherOut ); } } }); } function matcherFromTokens( tokens ) { var checkContext, matcher, j, len = tokens.length, leadingRelative = Expr.relative[ tokens[0].type ], implicitRelative = leadingRelative || Expr.relative[" "], i = leadingRelative ? 1 : 0, // The foundational matcher ensures that elements are reachable from top-level context(s) matchContext = addCombinator( function( elem ) { return elem === checkContext; }, implicitRelative, true ), matchAnyContext = addCombinator( function( elem ) { return indexOf( checkContext, elem ) > -1; }, implicitRelative, true ), matchers = [ function( elem, context, xml ) { var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( (checkContext = context).nodeType ? matchContext( elem, context, xml ) : matchAnyContext( elem, context, xml ) ); // Avoid hanging onto element (issue #299) checkContext = null; return ret; } ]; for ( ; i < len; i++ ) { if ( (matcher = Expr.relative[ tokens[i].type ]) ) { matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; } else { matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches ); // Return special upon seeing a positional matcher if ( matcher[ expando ] ) { // Find the next relative operator (if any) for proper handling j = ++i; for ( ; j < len; j++ ) { if ( Expr.relative[ tokens[j].type ] ) { break; } } return setMatcher( i > 1 && elementMatcher( matchers ), i > 1 && toSelector( // If the preceding token was a descendant combinator, insert an implicit any-element `*` tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) ).replace( rtrim, "$1" ), matcher, i < j && matcherFromTokens( tokens.slice( i, j ) ), j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), j < len && toSelector( tokens ) ); } matchers.push( matcher ); } } return elementMatcher( matchers ); } function matcherFromGroupMatchers( elementMatchers, setMatchers ) { var bySet = setMatchers.length > 0, byElement = elementMatchers.length > 0, superMatcher = function( seed, context, xml, results, outermost ) { var elem, j, matcher, matchedCount = 0, i = "0", unmatched = seed && [], setMatched = [], contextBackup = outermostContext, // We must always have either seed elements or outermost context elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), // Use integer dirruns iff this is the outermost matcher dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), len = elems.length; if ( outermost ) { outermostContext = context === document || context || outermost; } // Add elements passing elementMatchers directly to results // Support: IE<9, Safari // Tolerate NodeList properties (IE: "length"; Safari: ) matching elements by id for ( ; i !== len && (elem = elems[i]) != null; i++ ) { if ( byElement && elem ) { j = 0; if ( !context && elem.ownerDocument !== document ) { setDocument( elem ); xml = !documentIsHTML; } while ( (matcher = elementMatchers[j++]) ) { if ( matcher( elem, context || document, xml) ) { results.push( elem ); break; } } if ( outermost ) { dirruns = dirrunsUnique; } } // Track unmatched elements for set filters if ( bySet ) { // They will have gone through all possible matchers if ( (elem = !matcher && elem) ) { matchedCount--; } // Lengthen the array for every element, matched or not if ( seed ) { unmatched.push( elem ); } } } // `i` is now the count of elements visited above, and adding it to `matchedCount` // makes the latter nonnegative. matchedCount += i; // Apply set filters to unmatched elements // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` // equals `i`), unless we didn't visit _any_ elements in the above loop because we have // no element matchers and no seed. // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that // case, which will result in a "00" `matchedCount` that differs from `i` but is also // numerically zero. if ( bySet && i !== matchedCount ) { j = 0; while ( (matcher = setMatchers[j++]) ) { matcher( unmatched, setMatched, context, xml ); } if ( seed ) { // Reintegrate element matches to eliminate the need for sorting if ( matchedCount > 0 ) { while ( i-- ) { if ( !(unmatched[i] || setMatched[i]) ) { setMatched[i] = pop.call( results ); } } } // Discard index placeholder values to get only actual matches setMatched = condense( setMatched ); } // Add matches to results push.apply( results, setMatched ); // Seedless set matches succeeding multiple successful matchers stipulate sorting if ( outermost && !seed && setMatched.length > 0 && ( matchedCount + setMatchers.length ) > 1 ) { Sizzle.uniqueSort( results ); } } // Override manipulation of globals by nested matchers if ( outermost ) { dirruns = dirrunsUnique; outermostContext = contextBackup; } return unmatched; }; return bySet ? markFunction( superMatcher ) : superMatcher; } compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { var i, setMatchers = [], elementMatchers = [], cached = compilerCache[ selector + " " ]; if ( !cached ) { // Generate a function of recursive functions that can be used to check each element if ( !match ) { match = tokenize( selector ); } i = match.length; while ( i-- ) { cached = matcherFromTokens( match[i] ); if ( cached[ expando ] ) { setMatchers.push( cached ); } else { elementMatchers.push( cached ); } } // Cache the compiled function cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); // Save selector and tokenization cached.selector = selector; } return cached; }; /** * A low-level selection function that works with Sizzle's compiled * selector functions * @param {String|Function} selector A selector or a pre-compiled * selector function built with Sizzle.compile * @param {Element} context * @param {Array} [results] * @param {Array} [seed] A set of elements to match against */ select = Sizzle.select = function( selector, context, results, seed ) { var i, tokens, token, type, find, compiled = typeof selector === "function" && selector, match = !seed && tokenize( (selector = compiled.selector || selector) ); results = results || []; // Try to minimize operations if there is only one selector in the list and no seed // (the latter of which guarantees us context) if ( match.length === 1 ) { // Reduce context if the leading compound selector is an ID tokens = match[0] = match[0].slice( 0 ); if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) { context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; if ( !context ) { return results; // Precompiled matchers will still verify ancestry, so step up a level } else if ( compiled ) { context = context.parentNode; } selector = selector.slice( tokens.shift().value.length ); } // Fetch a seed set for right-to-left matching i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; while ( i-- ) { token = tokens[i]; // Abort if we hit a combinator if ( Expr.relative[ (type = token.type) ] ) { break; } if ( (find = Expr.find[ type ]) ) { // Search, expanding context for leading sibling combinators if ( (seed = find( token.matches[0].replace( runescape, funescape ), rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context )) ) { // If seed is empty or no tokens remain, we can return early tokens.splice( i, 1 ); selector = seed.length && toSelector( tokens ); if ( !selector ) { push.apply( results, seed ); return results; } break; } } } } // Compile and execute a filtering function if one is not provided // Provide `match` to avoid retokenization if we modified the selector above ( compiled || compile( selector, match ) )( seed, context, !documentIsHTML, results, !context || rsibling.test( selector ) && testContext( context.parentNode ) || context ); return results; }; // One-time assignments // Sort stability support.sortStable = expando.split("").sort( sortOrder ).join("") === expando; // Support: Chrome 14-35+ // Always assume duplicates if they aren't passed to the comparison function support.detectDuplicates = !!hasDuplicate; // Initialize against the default document setDocument(); // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) // Detached nodes confoundingly follow *each other* support.sortDetached = assert(function( el ) { // Should return 1, but returns 4 (following) return el.compareDocumentPosition( document.createElement("fieldset") ) & 1; }); // Support: IE<8 // Prevent attribute/property "interpolation" // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx if ( !assert(function( el ) { el.innerHTML = ""; return el.firstChild.getAttribute("href") === "#" ; }) ) { addHandle( "type|href|height|width", function( elem, name, isXML ) { if ( !isXML ) { return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); } }); } // Support: IE<9 // Use defaultValue in place of getAttribute("value") if ( !support.attributes || !assert(function( el ) { el.innerHTML = ""; el.firstChild.setAttribute( "value", "" ); return el.firstChild.getAttribute( "value" ) === ""; }) ) { addHandle( "value", function( elem, name, isXML ) { if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { return elem.defaultValue; } }); } // Support: IE<9 // Use getAttributeNode to fetch booleans when getAttribute lies if ( !assert(function( el ) { return el.getAttribute("disabled") == null; }) ) { addHandle( booleans, function( elem, name, isXML ) { var val; if ( !isXML ) { return elem[ name ] === true ? name.toLowerCase() : (val = elem.getAttributeNode( name )) && val.specified ? val.value : null; } }); } return Sizzle; })( window ); jQuery.find = Sizzle; jQuery.expr = Sizzle.selectors; // Deprecated jQuery.expr[ ":" ] = jQuery.expr.pseudos; jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort; jQuery.text = Sizzle.getText; jQuery.isXMLDoc = Sizzle.isXML; jQuery.contains = Sizzle.contains; jQuery.escapeSelector = Sizzle.escape; var dir = function( elem, dir, until ) { var matched = [], truncate = until !== undefined; while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) { if ( elem.nodeType === 1 ) { if ( truncate && jQuery( elem ).is( until ) ) { break; } matched.push( elem ); } } return matched; }; var siblings = function( n, elem ) { var matched = []; for ( ; n; n = n.nextSibling ) { if ( n.nodeType === 1 && n !== elem ) { matched.push( n ); } } return matched; }; var rneedsContext = jQuery.expr.match.needsContext; function nodeName( elem, name ) { return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); }; var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i ); // Implement the identical functionality for filter and not function winnow( elements, qualifier, not ) { if ( isFunction( qualifier ) ) { return jQuery.grep( elements, function( elem, i ) { return !!qualifier.call( elem, i, elem ) !== not; } ); } // Single element if ( qualifier.nodeType ) { return jQuery.grep( elements, function( elem ) { return ( elem === qualifier ) !== not; } ); } // Arraylike of elements (jQuery, arguments, Array) if ( typeof qualifier !== "string" ) { return jQuery.grep( elements, function( elem ) { return ( indexOf.call( qualifier, elem ) > -1 ) !== not; } ); } // Filtered directly for both simple and complex selectors return jQuery.filter( qualifier, elements, not ); } jQuery.filter = function( expr, elems, not ) { var elem = elems[ 0 ]; if ( not ) { expr = ":not(" + expr + ")"; } if ( elems.length === 1 && elem.nodeType === 1 ) { return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : []; } return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { return elem.nodeType === 1; } ) ); }; jQuery.fn.extend( { find: function( selector ) { var i, ret, len = this.length, self = this; if ( typeof selector !== "string" ) { return this.pushStack( jQuery( selector ).filter( function() { for ( i = 0; i < len; i++ ) { if ( jQuery.contains( self[ i ], this ) ) { return true; } } } ) ); } ret = this.pushStack( [] ); for ( i = 0; i < len; i++ ) { jQuery.find( selector, self[ i ], ret ); } return len > 1 ? jQuery.uniqueSort( ret ) : ret; }, filter: function( selector ) { return this.pushStack( winnow( this, selector || [], false ) ); }, not: function( selector ) { return this.pushStack( winnow( this, selector || [], true ) ); }, is: function( selector ) { return !!winnow( this, // If this is a positional/relative selector, check membership in the returned set // so $("p:first").is("p:last") won't return true for a doc with two "p". typeof selector === "string" && rneedsContext.test( selector ) ? jQuery( selector ) : selector || [], false ).length; } } ); // Initialize a jQuery object // A central reference to the root jQuery(document) var rootjQuery, // A simple way to check for HTML strings // Prioritize #id over to avoid XSS via location.hash (#9521) // Strict HTML recognition (#11290: must start with <) // Shortcut simple #id case for speed rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/, init = jQuery.fn.init = function( selector, context, root ) { var match, elem; // HANDLE: $(""), $(null), $(undefined), $(false) if ( !selector ) { return this; } // Method init() accepts an alternate rootjQuery // so migrate can support jQuery.sub (gh-2101) root = root || rootjQuery; // Handle HTML strings if ( typeof selector === "string" ) { if ( selector[ 0 ] === "<" && selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) { // Assume that strings that start and end with <> are HTML and skip the regex check match = [ null, selector, null ]; } else { match = rquickExpr.exec( selector ); } // Match html or make sure no context is specified for #id if ( match && ( match[ 1 ] || !context ) ) { // HANDLE: $(html) -> $(array) if ( match[ 1 ] ) { context = context instanceof jQuery ? context[ 0 ] : context; // Option to run scripts is true for back-compat // Intentionally let the error be thrown if parseHTML is not present jQuery.merge( this, jQuery.parseHTML( match[ 1 ], context && context.nodeType ? context.ownerDocument || context : document, true ) ); // HANDLE: $(html, props) if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) { for ( match in context ) { // Properties of context are called as methods if possible if ( isFunction( this[ match ] ) ) { this[ match ]( context[ match ] ); // ...and otherwise set as attributes } else { this.attr( match, context[ match ] ); } } } return this; // HANDLE: $(#id) } else { elem = document.getElementById( match[ 2 ] ); if ( elem ) { // Inject the element directly into the jQuery object this[ 0 ] = elem; this.length = 1; } return this; } // HANDLE: $(expr, $(...)) } else if ( !context || context.jquery ) { return ( context || root ).find( selector ); // HANDLE: $(expr, context) // (which is just equivalent to: $(context).find(expr) } else { return this.constructor( context ).find( selector ); } // HANDLE: $(DOMElement) } else if ( selector.nodeType ) { this[ 0 ] = selector; this.length = 1; return this; // HANDLE: $(function) // Shortcut for document ready } else if ( isFunction( selector ) ) { return root.ready !== undefined ? root.ready( selector ) : // Execute immediately if ready is not present selector( jQuery ); } return jQuery.makeArray( selector, this ); }; // Give the init function the jQuery prototype for later instantiation init.prototype = jQuery.fn; // Initialize central reference rootjQuery = jQuery( document ); var rparentsprev = /^(?:parents|prev(?:Until|All))/, // Methods guaranteed to produce a unique set when starting from a unique set guaranteedUnique = { children: true, contents: true, next: true, prev: true }; jQuery.fn.extend( { has: function( target ) { var targets = jQuery( target, this ), l = targets.length; return this.filter( function() { var i = 0; for ( ; i < l; i++ ) { if ( jQuery.contains( this, targets[ i ] ) ) { return true; } } } ); }, closest: function( selectors, context ) { var cur, i = 0, l = this.length, matched = [], targets = typeof selectors !== "string" && jQuery( selectors ); // Positional selectors never match, since there's no _selection_ context if ( !rneedsContext.test( selectors ) ) { for ( ; i < l; i++ ) { for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) { // Always skip document fragments if ( cur.nodeType < 11 && ( targets ? targets.index( cur ) > -1 : // Don't pass non-elements to Sizzle cur.nodeType === 1 && jQuery.find.matchesSelector( cur, selectors ) ) ) { matched.push( cur ); break; } } } } return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched ); }, // Determine the position of an element within the set index: function( elem ) { // No argument, return index in parent if ( !elem ) { return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; } // Index in selector if ( typeof elem === "string" ) { return indexOf.call( jQuery( elem ), this[ 0 ] ); } // Locate the position of the desired element return indexOf.call( this, // If it receives a jQuery object, the first element is used elem.jquery ? elem[ 0 ] : elem ); }, add: function( selector, context ) { return this.pushStack( jQuery.uniqueSort( jQuery.merge( this.get(), jQuery( selector, context ) ) ) ); }, addBack: function( selector ) { return this.add( selector == null ? this.prevObject : this.prevObject.filter( selector ) ); } } ); function sibling( cur, dir ) { while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {} return cur; } jQuery.each( { parent: function( elem ) { var parent = elem.parentNode; return parent && parent.nodeType !== 11 ? parent : null; }, parents: function( elem ) { return dir( elem, "parentNode" ); }, parentsUntil: function( elem, i, until ) { return dir( elem, "parentNode", until ); }, next: function( elem ) { return sibling( elem, "nextSibling" ); }, prev: function( elem ) { return sibling( elem, "previousSibling" ); }, nextAll: function( elem ) { return dir( elem, "nextSibling" ); }, prevAll: function( elem ) { return dir( elem, "previousSibling" ); }, nextUntil: function( elem, i, until ) { return dir( elem, "nextSibling", until ); }, prevUntil: function( elem, i, until ) { return dir( elem, "previousSibling", until ); }, siblings: function( elem ) { return siblings( ( elem.parentNode || {} ).firstChild, elem ); }, children: function( elem ) { return siblings( elem.firstChild ); }, contents: function( elem ) { if ( nodeName( elem, "iframe" ) ) { return elem.contentDocument; } // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only // Treat the template element as a regular one in browsers that // don't support it. if ( nodeName( elem, "template" ) ) { elem = elem.content || elem; } return jQuery.merge( [], elem.childNodes ); } }, function( name, fn ) { jQuery.fn[ name ] = function( until, selector ) { var matched = jQuery.map( this, fn, until ); if ( name.slice( -5 ) !== "Until" ) { selector = until; } if ( selector && typeof selector === "string" ) { matched = jQuery.filter( selector, matched ); } if ( this.length > 1 ) { // Remove duplicates if ( !guaranteedUnique[ name ] ) { jQuery.uniqueSort( matched ); } // Reverse order for parents* and prev-derivatives if ( rparentsprev.test( name ) ) { matched.reverse(); } } return this.pushStack( matched ); }; } ); var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g ); // Convert String-formatted options into Object-formatted ones function createOptions( options ) { var object = {}; jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) { object[ flag ] = true; } ); return object; } /* * Create a callback list using the following parameters: * * options: an optional list of space-separated options that will change how * the callback list behaves or a more traditional option object * * By default a callback list will act like an event callback list and can be * "fired" multiple times. * * Possible options: * * once: will ensure the callback list can only be fired once (like a Deferred) * * memory: will keep track of previous values and will call any callback added * after the list has been fired right away with the latest "memorized" * values (like a Deferred) * * unique: will ensure a callback can only be added once (no duplicate in the list) * * stopOnFalse: interrupt callings when a callback returns false * */ jQuery.Callbacks = function( options ) { // Convert options from String-formatted to Object-formatted if needed // (we check in cache first) options = typeof options === "string" ? createOptions( options ) : jQuery.extend( {}, options ); var // Flag to know if list is currently firing firing, // Last fire value for non-forgettable lists memory, // Flag to know if list was already fired fired, // Flag to prevent firing locked, // Actual callback list list = [], // Queue of execution data for repeatable lists queue = [], // Index of currently firing callback (modified by add/remove as needed) firingIndex = -1, // Fire callbacks fire = function() { // Enforce single-firing locked = locked || options.once; // Execute callbacks for all pending executions, // respecting firingIndex overrides and runtime changes fired = firing = true; for ( ; queue.length; firingIndex = -1 ) { memory = queue.shift(); while ( ++firingIndex < list.length ) { // Run callback and check for early termination if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false && options.stopOnFalse ) { // Jump to end and forget the data so .add doesn't re-fire firingIndex = list.length; memory = false; } } } // Forget the data if we're done with it if ( !options.memory ) { memory = false; } firing = false; // Clean up if we're done firing for good if ( locked ) { // Keep an empty list if we have data for future add calls if ( memory ) { list = []; // Otherwise, this object is spent } else { list = ""; } } }, // Actual Callbacks object self = { // Add a callback or a collection of callbacks to the list add: function() { if ( list ) { // If we have memory from a past run, we should fire after adding if ( memory && !firing ) { firingIndex = list.length - 1; queue.push( memory ); } ( function add( args ) { jQuery.each( args, function( _, arg ) { if ( isFunction( arg ) ) { if ( !options.unique || !self.has( arg ) ) { list.push( arg ); } } else if ( arg && arg.length && toType( arg ) !== "string" ) { // Inspect recursively add( arg ); } } ); } )( arguments ); if ( memory && !firing ) { fire(); } } return this; }, // Remove a callback from the list remove: function() { jQuery.each( arguments, function( _, arg ) { var index; while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { list.splice( index, 1 ); // Handle firing indexes if ( index <= firingIndex ) { firingIndex--; } } } ); return this; }, // Check if a given callback is in the list. // If no argument is given, return whether or not list has callbacks attached. has: function( fn ) { return fn ? jQuery.inArray( fn, list ) > -1 : list.length > 0; }, // Remove all callbacks from the list empty: function() { if ( list ) { list = []; } return this; }, // Disable .fire and .add // Abort any current/pending executions // Clear all callbacks and values disable: function() { locked = queue = []; list = memory = ""; return this; }, disabled: function() { return !list; }, // Disable .fire // Also disable .add unless we have memory (since it would have no effect) // Abort any pending executions lock: function() { locked = queue = []; if ( !memory && !firing ) { list = memory = ""; } return this; }, locked: function() { return !!locked; }, // Call all callbacks with the given context and arguments fireWith: function( context, args ) { if ( !locked ) { args = args || []; args = [ context, args.slice ? args.slice() : args ]; queue.push( args ); if ( !firing ) { fire(); } } return this; }, // Call all the callbacks with the given arguments fire: function() { self.fireWith( this, arguments ); return this; }, // To know if the callbacks have already been called at least once fired: function() { return !!fired; } }; return self; }; function Identity( v ) { return v; } function Thrower( ex ) { throw ex; } function adoptValue( value, resolve, reject, noValue ) { var method; try { // Check for promise aspect first to privilege synchronous behavior if ( value && isFunction( ( method = value.promise ) ) ) { method.call( value ).done( resolve ).fail( reject ); // Other thenables } else if ( value && isFunction( ( method = value.then ) ) ) { method.call( value, resolve, reject ); // Other non-thenables } else { // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer: // * false: [ value ].slice( 0 ) => resolve( value ) // * true: [ value ].slice( 1 ) => resolve() resolve.apply( undefined, [ value ].slice( noValue ) ); } // For Promises/A+, convert exceptions into rejections // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in // Deferred#then to conditionally suppress rejection. } catch ( value ) { // Support: Android 4.0 only // Strict mode functions invoked without .call/.apply get global-object context reject.apply( undefined, [ value ] ); } } jQuery.extend( { Deferred: function( func ) { var tuples = [ // action, add listener, callbacks, // ... .then handlers, argument index, [final state] [ "notify", "progress", jQuery.Callbacks( "memory" ), jQuery.Callbacks( "memory" ), 2 ], [ "resolve", "done", jQuery.Callbacks( "once memory" ), jQuery.Callbacks( "once memory" ), 0, "resolved" ], [ "reject", "fail", jQuery.Callbacks( "once memory" ), jQuery.Callbacks( "once memory" ), 1, "rejected" ] ], state = "pending", promise = { state: function() { return state; }, always: function() { deferred.done( arguments ).fail( arguments ); return this; }, "catch": function( fn ) { return promise.then( null, fn ); }, // Keep pipe for back-compat pipe: function( /* fnDone, fnFail, fnProgress */ ) { var fns = arguments; return jQuery.Deferred( function( newDefer ) { jQuery.each( tuples, function( i, tuple ) { // Map tuples (progress, done, fail) to arguments (done, fail, progress) var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ]; // deferred.progress(function() { bind to newDefer or newDefer.notify }) // deferred.done(function() { bind to newDefer or newDefer.resolve }) // deferred.fail(function() { bind to newDefer or newDefer.reject }) deferred[ tuple[ 1 ] ]( function() { var returned = fn && fn.apply( this, arguments ); if ( returned && isFunction( returned.promise ) ) { returned.promise() .progress( newDefer.notify ) .done( newDefer.resolve ) .fail( newDefer.reject ); } else { newDefer[ tuple[ 0 ] + "With" ]( this, fn ? [ returned ] : arguments ); } } ); } ); fns = null; } ).promise(); }, then: function( onFulfilled, onRejected, onProgress ) { var maxDepth = 0; function resolve( depth, deferred, handler, special ) { return function() { var that = this, args = arguments, mightThrow = function() { var returned, then; // Support: Promises/A+ section 2.3.3.3.3 // https://promisesaplus.com/#point-59 // Ignore double-resolution attempts if ( depth < maxDepth ) { return; } returned = handler.apply( that, args ); // Support: Promises/A+ section 2.3.1 // https://promisesaplus.com/#point-48 if ( returned === deferred.promise() ) { throw new TypeError( "Thenable self-resolution" ); } // Support: Promises/A+ sections 2.3.3.1, 3.5 // https://promisesaplus.com/#point-54 // https://promisesaplus.com/#point-75 // Retrieve `then` only once then = returned && // Support: Promises/A+ section 2.3.4 // https://promisesaplus.com/#point-64 // Only check objects and functions for thenability ( typeof returned === "object" || typeof returned === "function" ) && returned.then; // Handle a returned thenable if ( isFunction( then ) ) { // Special processors (notify) just wait for resolution if ( special ) { then.call( returned, resolve( maxDepth, deferred, Identity, special ), resolve( maxDepth, deferred, Thrower, special ) ); // Normal processors (resolve) also hook into progress } else { // ...and disregard older resolution values maxDepth++; then.call( returned, resolve( maxDepth, deferred, Identity, special ), resolve( maxDepth, deferred, Thrower, special ), resolve( maxDepth, deferred, Identity, deferred.notifyWith ) ); } // Handle all other returned values } else { // Only substitute handlers pass on context // and multiple values (non-spec behavior) if ( handler !== Identity ) { that = undefined; args = [ returned ]; } // Process the value(s) // Default process is resolve ( special || deferred.resolveWith )( that, args ); } }, // Only normal processors (resolve) catch and reject exceptions process = special ? mightThrow : function() { try { mightThrow(); } catch ( e ) { if ( jQuery.Deferred.exceptionHook ) { jQuery.Deferred.exceptionHook( e, process.stackTrace ); } // Support: Promises/A+ section 2.3.3.3.4.1 // https://promisesaplus.com/#point-61 // Ignore post-resolution exceptions if ( depth + 1 >= maxDepth ) { // Only substitute handlers pass on context // and multiple values (non-spec behavior) if ( handler !== Thrower ) { that = undefined; args = [ e ]; } deferred.rejectWith( that, args ); } } }; // Support: Promises/A+ section 2.3.3.3.1 // https://promisesaplus.com/#point-57 // Re-resolve promises immediately to dodge false rejection from // subsequent errors if ( depth ) { process(); } else { // Call an optional hook to record the stack, in case of exception // since it's otherwise lost when execution goes async if ( jQuery.Deferred.getStackHook ) { process.stackTrace = jQuery.Deferred.getStackHook(); } window.setTimeout( process ); } }; } return jQuery.Deferred( function( newDefer ) { // progress_handlers.add( ... ) tuples[ 0 ][ 3 ].add( resolve( 0, newDefer, isFunction( onProgress ) ? onProgress : Identity, newDefer.notifyWith ) ); // fulfilled_handlers.add( ... ) tuples[ 1 ][ 3 ].add( resolve( 0, newDefer, isFunction( onFulfilled ) ? onFulfilled : Identity ) ); // rejected_handlers.add( ... ) tuples[ 2 ][ 3 ].add( resolve( 0, newDefer, isFunction( onRejected ) ? onRejected : Thrower ) ); } ).promise(); }, // Get a promise for this deferred // If obj is provided, the promise aspect is added to the object promise: function( obj ) { return obj != null ? jQuery.extend( obj, promise ) : promise; } }, deferred = {}; // Add list-specific methods jQuery.each( tuples, function( i, tuple ) { var list = tuple[ 2 ], stateString = tuple[ 5 ]; // promise.progress = list.add // promise.done = list.add // promise.fail = list.add promise[ tuple[ 1 ] ] = list.add; // Handle state if ( stateString ) { list.add( function() { // state = "resolved" (i.e., fulfilled) // state = "rejected" state = stateString; }, // rejected_callbacks.disable // fulfilled_callbacks.disable tuples[ 3 - i ][ 2 ].disable, // rejected_handlers.disable // fulfilled_handlers.disable tuples[ 3 - i ][ 3 ].disable, // progress_callbacks.lock tuples[ 0 ][ 2 ].lock, // progress_handlers.lock tuples[ 0 ][ 3 ].lock ); } // progress_handlers.fire // fulfilled_handlers.fire // rejected_handlers.fire list.add( tuple[ 3 ].fire ); // deferred.notify = function() { deferred.notifyWith(...) } // deferred.resolve = function() { deferred.resolveWith(...) } // deferred.reject = function() { deferred.rejectWith(...) } deferred[ tuple[ 0 ] ] = function() { deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments ); return this; }; // deferred.notifyWith = list.fireWith // deferred.resolveWith = list.fireWith // deferred.rejectWith = list.fireWith deferred[ tuple[ 0 ] + "With" ] = list.fireWith; } ); // Make the deferred a promise promise.promise( deferred ); // Call given func if any if ( func ) { func.call( deferred, deferred ); } // All done! return deferred; }, // Deferred helper when: function( singleValue ) { var // count of uncompleted subordinates remaining = arguments.length, // count of unprocessed arguments i = remaining, // subordinate fulfillment data resolveContexts = Array( i ), resolveValues = slice.call( arguments ), // the master Deferred master = jQuery.Deferred(), // subordinate callback factory updateFunc = function( i ) { return function( value ) { resolveContexts[ i ] = this; resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; if ( !( --remaining ) ) { master.resolveWith( resolveContexts, resolveValues ); } }; }; // Single- and empty arguments are adopted like Promise.resolve if ( remaining <= 1 ) { adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject, !remaining ); // Use .then() to unwrap secondary thenables (cf. gh-3000) if ( master.state() === "pending" || isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) { return master.then(); } } // Multiple arguments are aggregated like Promise.all array elements while ( i-- ) { adoptValue( resolveValues[ i ], updateFunc( i ), master.reject ); } return master.promise(); } } ); // These usually indicate a programmer mistake during development, // warn about them ASAP rather than swallowing them by default. var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/; jQuery.Deferred.exceptionHook = function( error, stack ) { // Support: IE 8 - 9 only // Console exists when dev tools are open, which can happen at any time if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) { window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack ); } }; jQuery.readyException = function( error ) { window.setTimeout( function() { throw error; } ); }; // The deferred used on DOM ready var readyList = jQuery.Deferred(); jQuery.fn.ready = function( fn ) { readyList .then( fn ) // Wrap jQuery.readyException in a function so that the lookup // happens at the time of error handling instead of callback // registration. .catch( function( error ) { jQuery.readyException( error ); } ); return this; }; jQuery.extend( { // Is the DOM ready to be used? Set to true once it occurs. isReady: false, // A counter to track how many items to wait for before // the ready event fires. See #6781 readyWait: 1, // Handle when the DOM is ready ready: function( wait ) { // Abort if there are pending holds or we're already ready if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { return; } // Remember that the DOM is ready jQuery.isReady = true; // If a normal DOM Ready event fired, decrement, and wait if need be if ( wait !== true && --jQuery.readyWait > 0 ) { return; } // If there are functions bound, to execute readyList.resolveWith( document, [ jQuery ] ); } } ); jQuery.ready.then = readyList.then; // The ready event handler and self cleanup method function completed() { document.removeEventListener( "DOMContentLoaded", completed ); window.removeEventListener( "load", completed ); jQuery.ready(); } // Catch cases where $(document).ready() is called // after the browser event has already occurred. // Support: IE <=9 - 10 only // Older IE sometimes signals "interactive" too soon if ( document.readyState === "complete" || ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) { // Handle it asynchronously to allow scripts the opportunity to delay ready window.setTimeout( jQuery.ready ); } else { // Use the handy event callback document.addEventListener( "DOMContentLoaded", completed ); // A fallback to window.onload, that will always work window.addEventListener( "load", completed ); } // Multifunctional method to get and set values of a collection // The value/s can optionally be executed if it's a function var access = function( elems, fn, key, value, chainable, emptyGet, raw ) { var i = 0, len = elems.length, bulk = key == null; // Sets many values if ( toType( key ) === "object" ) { chainable = true; for ( i in key ) { access( elems, fn, i, key[ i ], true, emptyGet, raw ); } // Sets one value } else if ( value !== undefined ) { chainable = true; if ( !isFunction( value ) ) { raw = true; } if ( bulk ) { // Bulk operations run against the entire set if ( raw ) { fn.call( elems, value ); fn = null; // ...except when executing function values } else { bulk = fn; fn = function( elem, key, value ) { return bulk.call( jQuery( elem ), value ); }; } } if ( fn ) { for ( ; i < len; i++ ) { fn( elems[ i ], key, raw ? value : value.call( elems[ i ], i, fn( elems[ i ], key ) ) ); } } } if ( chainable ) { return elems; } // Gets if ( bulk ) { return fn.call( elems ); } return len ? fn( elems[ 0 ], key ) : emptyGet; }; // Matches dashed string for camelizing var rmsPrefix = /^-ms-/, rdashAlpha = /-([a-z])/g; // Used by camelCase as callback to replace() function fcamelCase( all, letter ) { return letter.toUpperCase(); } // Convert dashed to camelCase; used by the css and data modules // Support: IE <=9 - 11, Edge 12 - 15 // Microsoft forgot to hump their vendor prefix (#9572) function camelCase( string ) { return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); } var acceptData = function( owner ) { // Accepts only: // - Node // - Node.ELEMENT_NODE // - Node.DOCUMENT_NODE // - Object // - Any return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); }; function Data() { this.expando = jQuery.expando + Data.uid++; } Data.uid = 1; Data.prototype = { cache: function( owner ) { // Check if the owner object already has a cache var value = owner[ this.expando ]; // If not, create one if ( !value ) { value = {}; // We can accept data for non-element nodes in modern browsers, // but we should not, see #8335. // Always return an empty object. if ( acceptData( owner ) ) { // If it is a node unlikely to be stringify-ed or looped over // use plain assignment if ( owner.nodeType ) { owner[ this.expando ] = value; // Otherwise secure it in a non-enumerable property // configurable must be true to allow the property to be // deleted when data is removed } else { Object.defineProperty( owner, this.expando, { value: value, configurable: true } ); } } } return value; }, set: function( owner, data, value ) { var prop, cache = this.cache( owner ); // Handle: [ owner, key, value ] args // Always use camelCase key (gh-2257) if ( typeof data === "string" ) { cache[ camelCase( data ) ] = value; // Handle: [ owner, { properties } ] args } else { // Copy the properties one-by-one to the cache object for ( prop in data ) { cache[ camelCase( prop ) ] = data[ prop ]; } } return cache; }, get: function( owner, key ) { return key === undefined ? this.cache( owner ) : // Always use camelCase key (gh-2257) owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ]; }, access: function( owner, key, value ) { // In cases where either: // // 1. No key was specified // 2. A string key was specified, but no value provided // // Take the "read" path and allow the get method to determine // which value to return, respectively either: // // 1. The entire cache object // 2. The data stored at the key // if ( key === undefined || ( ( key && typeof key === "string" ) && value === undefined ) ) { return this.get( owner, key ); } // When the key is not a string, or both a key and value // are specified, set or extend (existing objects) with either: // // 1. An object of properties // 2. A key and value // this.set( owner, key, value ); // Since the "set" path can have two possible entry points // return the expected data based on which path was taken[*] return value !== undefined ? value : key; }, remove: function( owner, key ) { var i, cache = owner[ this.expando ]; if ( cache === undefined ) { return; } if ( key !== undefined ) { // Support array or space separated string of keys if ( Array.isArray( key ) ) { // If key is an array of keys... // We always set camelCase keys, so remove that. key = key.map( camelCase ); } else { key = camelCase( key ); // If a key with the spaces exists, use it. // Otherwise, create an array by matching non-whitespace key = key in cache ? [ key ] : ( key.match( rnothtmlwhite ) || [] ); } i = key.length; while ( i-- ) { delete cache[ key[ i ] ]; } } // Remove the expando if there's no more data if ( key === undefined || jQuery.isEmptyObject( cache ) ) { // Support: Chrome <=35 - 45 // Webkit & Blink performance suffers when deleting properties // from DOM nodes, so set to undefined instead // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted) if ( owner.nodeType ) { owner[ this.expando ] = undefined; } else { delete owner[ this.expando ]; } } }, hasData: function( owner ) { var cache = owner[ this.expando ]; return cache !== undefined && !jQuery.isEmptyObject( cache ); } }; var dataPriv = new Data(); var dataUser = new Data(); // Implementation Summary // // 1. Enforce API surface and semantic compatibility with 1.9.x branch // 2. Improve the module's maintainability by reducing the storage // paths to a single mechanism. // 3. Use the same single mechanism to support "private" and "user" data. // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) // 5. Avoid exposing implementation details on user objects (eg. expando properties) // 6. Provide a clear path for implementation upgrade to WeakMap in 2014 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, rmultiDash = /[A-Z]/g; function getData( data ) { if ( data === "true" ) { return true; } if ( data === "false" ) { return false; } if ( data === "null" ) { return null; } // Only convert to a number if it doesn't change the string if ( data === +data + "" ) { return +data; } if ( rbrace.test( data ) ) { return JSON.parse( data ); } return data; } function dataAttr( elem, key, data ) { var name; // If nothing was found internally, try to fetch any // data from the HTML5 data-* attribute if ( data === undefined && elem.nodeType === 1 ) { name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase(); data = elem.getAttribute( name ); if ( typeof data === "string" ) { try { data = getData( data ); } catch ( e ) {} // Make sure we set the data so it isn't changed later dataUser.set( elem, key, data ); } else { data = undefined; } } return data; } jQuery.extend( { hasData: function( elem ) { return dataUser.hasData( elem ) || dataPriv.hasData( elem ); }, data: function( elem, name, data ) { return dataUser.access( elem, name, data ); }, removeData: function( elem, name ) { dataUser.remove( elem, name ); }, // TODO: Now that all calls to _data and _removeData have been replaced // with direct calls to dataPriv methods, these can be deprecated. _data: function( elem, name, data ) { return dataPriv.access( elem, name, data ); }, _removeData: function( elem, name ) { dataPriv.remove( elem, name ); } } ); jQuery.fn.extend( { data: function( key, value ) { var i, name, data, elem = this[ 0 ], attrs = elem && elem.attributes; // Gets all values if ( key === undefined ) { if ( this.length ) { data = dataUser.get( elem ); if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) { i = attrs.length; while ( i-- ) { // Support: IE 11 only // The attrs elements can be null (#14894) if ( attrs[ i ] ) { name = attrs[ i ].name; if ( name.indexOf( "data-" ) === 0 ) { name = camelCase( name.slice( 5 ) ); dataAttr( elem, name, data[ name ] ); } } } dataPriv.set( elem, "hasDataAttrs", true ); } } return data; } // Sets multiple values if ( typeof key === "object" ) { return this.each( function() { dataUser.set( this, key ); } ); } return access( this, function( value ) { var data; // The calling jQuery object (element matches) is not empty // (and therefore has an element appears at this[ 0 ]) and the // `value` parameter was not undefined. An empty jQuery object // will result in `undefined` for elem = this[ 0 ] which will // throw an exception if an attempt to read a data cache is made. if ( elem && value === undefined ) { // Attempt to get data from the cache // The key will always be camelCased in Data data = dataUser.get( elem, key ); if ( data !== undefined ) { return data; } // Attempt to "discover" the data in // HTML5 custom data-* attrs data = dataAttr( elem, key ); if ( data !== undefined ) { return data; } // We tried really hard, but the data doesn't exist. return; } // Set the data... this.each( function() { // We always store the camelCased key dataUser.set( this, key, value ); } ); }, null, value, arguments.length > 1, null, true ); }, removeData: function( key ) { return this.each( function() { dataUser.remove( this, key ); } ); } } ); jQuery.extend( { queue: function( elem, type, data ) { var queue; if ( elem ) { type = ( type || "fx" ) + "queue"; queue = dataPriv.get( elem, type ); // Speed up dequeue by getting out quickly if this is just a lookup if ( data ) { if ( !queue || Array.isArray( data ) ) { queue = dataPriv.access( elem, type, jQuery.makeArray( data ) ); } else { queue.push( data ); } } return queue || []; } }, dequeue: function( elem, type ) { type = type || "fx"; var queue = jQuery.queue( elem, type ), startLength = queue.length, fn = queue.shift(), hooks = jQuery._queueHooks( elem, type ), next = function() { jQuery.dequeue( elem, type ); }; // If the fx queue is dequeued, always remove the progress sentinel if ( fn === "inprogress" ) { fn = queue.shift(); startLength--; } if ( fn ) { // Add a progress sentinel to prevent the fx queue from being // automatically dequeued if ( type === "fx" ) { queue.unshift( "inprogress" ); } // Clear up the last queue stop function delete hooks.stop; fn.call( elem, next, hooks ); } if ( !startLength && hooks ) { hooks.empty.fire(); } }, // Not public - generate a queueHooks object, or return the current one _queueHooks: function( elem, type ) { var key = type + "queueHooks"; return dataPriv.get( elem, key ) || dataPriv.access( elem, key, { empty: jQuery.Callbacks( "once memory" ).add( function() { dataPriv.remove( elem, [ type + "queue", key ] ); } ) } ); } } ); jQuery.fn.extend( { queue: function( type, data ) { var setter = 2; if ( typeof type !== "string" ) { data = type; type = "fx"; setter--; } if ( arguments.length < setter ) { return jQuery.queue( this[ 0 ], type ); } return data === undefined ? this : this.each( function() { var queue = jQuery.queue( this, type, data ); // Ensure a hooks for this queue jQuery._queueHooks( this, type ); if ( type === "fx" && queue[ 0 ] !== "inprogress" ) { jQuery.dequeue( this, type ); } } ); }, dequeue: function( type ) { return this.each( function() { jQuery.dequeue( this, type ); } ); }, clearQueue: function( type ) { return this.queue( type || "fx", [] ); }, // Get a promise resolved when queues of a certain type // are emptied (fx is the type by default) promise: function( type, obj ) { var tmp, count = 1, defer = jQuery.Deferred(), elements = this, i = this.length, resolve = function() { if ( !( --count ) ) { defer.resolveWith( elements, [ elements ] ); } }; if ( typeof type !== "string" ) { obj = type; type = undefined; } type = type || "fx"; while ( i-- ) { tmp = dataPriv.get( elements[ i ], type + "queueHooks" ); if ( tmp && tmp.empty ) { count++; tmp.empty.add( resolve ); } } resolve(); return defer.promise( obj ); } } ); var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source; var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ); var cssExpand = [ "Top", "Right", "Bottom", "Left" ]; var isHiddenWithinTree = function( elem, el ) { // isHiddenWithinTree might be called from jQuery#filter function; // in that case, element will be second argument elem = el || elem; // Inline style trumps all return elem.style.display === "none" || elem.style.display === "" && // Otherwise, check computed style // Support: Firefox <=43 - 45 // Disconnected elements can have computed display: none, so first confirm that elem is // in the document. jQuery.contains( elem.ownerDocument, elem ) && jQuery.css( elem, "display" ) === "none"; }; var swap = function( elem, options, callback, args ) { var ret, name, old = {}; // Remember the old values, and insert the new ones for ( name in options ) { old[ name ] = elem.style[ name ]; elem.style[ name ] = options[ name ]; } ret = callback.apply( elem, args || [] ); // Revert the old values for ( name in options ) { elem.style[ name ] = old[ name ]; } return ret; }; function adjustCSS( elem, prop, valueParts, tween ) { var adjusted, scale, maxIterations = 20, currentValue = tween ? function() { return tween.cur(); } : function() { return jQuery.css( elem, prop, "" ); }, initial = currentValue(), unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ), // Starting value computation is required for potential unit mismatches initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) && rcssNum.exec( jQuery.css( elem, prop ) ); if ( initialInUnit && initialInUnit[ 3 ] !== unit ) { // Support: Firefox <=54 // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144) initial = initial / 2; // Trust units reported by jQuery.css unit = unit || initialInUnit[ 3 ]; // Iteratively approximate from a nonzero starting point initialInUnit = +initial || 1; while ( maxIterations-- ) { // Evaluate and update our best guess (doubling guesses that zero out). // Finish if the scale equals or crosses 1 (making the old*new product non-positive). jQuery.style( elem, prop, initialInUnit + unit ); if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) { maxIterations = 0; } initialInUnit = initialInUnit / scale; } initialInUnit = initialInUnit * 2; jQuery.style( elem, prop, initialInUnit + unit ); // Make sure we update the tween properties later on valueParts = valueParts || []; } if ( valueParts ) { initialInUnit = +initialInUnit || +initial || 0; // Apply relative offset (+=/-=) if specified adjusted = valueParts[ 1 ] ? initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] : +valueParts[ 2 ]; if ( tween ) { tween.unit = unit; tween.start = initialInUnit; tween.end = adjusted; } } return adjusted; } var defaultDisplayMap = {}; function getDefaultDisplay( elem ) { var temp, doc = elem.ownerDocument, nodeName = elem.nodeName, display = defaultDisplayMap[ nodeName ]; if ( display ) { return display; } temp = doc.body.appendChild( doc.createElement( nodeName ) ); display = jQuery.css( temp, "display" ); temp.parentNode.removeChild( temp ); if ( display === "none" ) { display = "block"; } defaultDisplayMap[ nodeName ] = display; return display; } function showHide( elements, show ) { var display, elem, values = [], index = 0, length = elements.length; // Determine new display value for elements that need to change for ( ; index < length; index++ ) { elem = elements[ index ]; if ( !elem.style ) { continue; } display = elem.style.display; if ( show ) { // Since we force visibility upon cascade-hidden elements, an immediate (and slow) // check is required in this first loop unless we have a nonempty display value (either // inline or about-to-be-restored) if ( display === "none" ) { values[ index ] = dataPriv.get( elem, "display" ) || null; if ( !values[ index ] ) { elem.style.display = ""; } } if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) { values[ index ] = getDefaultDisplay( elem ); } } else { if ( display !== "none" ) { values[ index ] = "none"; // Remember what we're overwriting dataPriv.set( elem, "display", display ); } } } // Set the display of the elements in a second loop to avoid constant reflow for ( index = 0; index < length; index++ ) { if ( values[ index ] != null ) { elements[ index ].style.display = values[ index ]; } } return elements; } jQuery.fn.extend( { show: function() { return showHide( this, true ); }, hide: function() { return showHide( this ); }, toggle: function( state ) { if ( typeof state === "boolean" ) { return state ? this.show() : this.hide(); } return this.each( function() { if ( isHiddenWithinTree( this ) ) { jQuery( this ).show(); } else { jQuery( this ).hide(); } } ); } } ); var rcheckableType = ( /^(?:checkbox|radio)$/i ); var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i ); var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i ); // We have to close these tags to support XHTML (#13200) var wrapMap = { // Support: IE <=9 only option: [ 1, "" ], // XHTML parsers do not magically insert elements in the // same way that tag soup parsers do. So we cannot shorten // this by omitting or other required elements. thead: [ 1, "", "
" ], col: [ 2, "", "
" ], tr: [ 2, "", "
" ], td: [ 3, "", "
" ], _default: [ 0, "", "" ] }; // Support: IE <=9 only wrapMap.optgroup = wrapMap.option; wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; wrapMap.th = wrapMap.td; function getAll( context, tag ) { // Support: IE <=9 - 11 only // Use typeof to avoid zero-argument method invocation on host objects (#15151) var ret; if ( typeof context.getElementsByTagName !== "undefined" ) { ret = context.getElementsByTagName( tag || "*" ); } else if ( typeof context.querySelectorAll !== "undefined" ) { ret = context.querySelectorAll( tag || "*" ); } else { ret = []; } if ( tag === undefined || tag && nodeName( context, tag ) ) { return jQuery.merge( [ context ], ret ); } return ret; } // Mark scripts as having already been evaluated function setGlobalEval( elems, refElements ) { var i = 0, l = elems.length; for ( ; i < l; i++ ) { dataPriv.set( elems[ i ], "globalEval", !refElements || dataPriv.get( refElements[ i ], "globalEval" ) ); } } var rhtml = /<|&#?\w+;/; function buildFragment( elems, context, scripts, selection, ignored ) { var elem, tmp, tag, wrap, contains, j, fragment = context.createDocumentFragment(), nodes = [], i = 0, l = elems.length; for ( ; i < l; i++ ) { elem = elems[ i ]; if ( elem || elem === 0 ) { // Add nodes directly if ( toType( elem ) === "object" ) { // Support: Android <=4.0 only, PhantomJS 1 only // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem ); // Convert non-html into a text node } else if ( !rhtml.test( elem ) ) { nodes.push( context.createTextNode( elem ) ); // Convert html into DOM nodes } else { tmp = tmp || fragment.appendChild( context.createElement( "div" ) ); // Deserialize a standard representation tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); wrap = wrapMap[ tag ] || wrapMap._default; tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ]; // Descend through wrappers to the right content j = wrap[ 0 ]; while ( j-- ) { tmp = tmp.lastChild; } // Support: Android <=4.0 only, PhantomJS 1 only // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( nodes, tmp.childNodes ); // Remember the top-level container tmp = fragment.firstChild; // Ensure the created nodes are orphaned (#12392) tmp.textContent = ""; } } } // Remove wrapper from fragment fragment.textContent = ""; i = 0; while ( ( elem = nodes[ i++ ] ) ) { // Skip elements already in the context collection (trac-4087) if ( selection && jQuery.inArray( elem, selection ) > -1 ) { if ( ignored ) { ignored.push( elem ); } continue; } contains = jQuery.contains( elem.ownerDocument, elem ); // Append to fragment tmp = getAll( fragment.appendChild( elem ), "script" ); // Preserve script evaluation history if ( contains ) { setGlobalEval( tmp ); } // Capture executables if ( scripts ) { j = 0; while ( ( elem = tmp[ j++ ] ) ) { if ( rscriptType.test( elem.type || "" ) ) { scripts.push( elem ); } } } } return fragment; } ( function() { var fragment = document.createDocumentFragment(), div = fragment.appendChild( document.createElement( "div" ) ), input = document.createElement( "input" ); // Support: Android 4.0 - 4.3 only // Check state lost if the name is set (#11217) // Support: Windows Web Apps (WWA) // `name` and `type` must use .setAttribute for WWA (#14901) input.setAttribute( "type", "radio" ); input.setAttribute( "checked", "checked" ); input.setAttribute( "name", "t" ); div.appendChild( input ); // Support: Android <=4.1 only // Older WebKit doesn't clone checked state correctly in fragments support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; // Support: IE <=11 only // Make sure textarea (and checkbox) defaultValue is properly cloned div.innerHTML = ""; support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; } )(); var documentElement = document.documentElement; var rkeyEvent = /^key/, rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/, rtypenamespace = /^([^.]*)(?:\.(.+)|)/; function returnTrue() { return true; } function returnFalse() { return false; } // Support: IE <=9 only // See #13393 for more info function safeActiveElement() { try { return document.activeElement; } catch ( err ) { } } function on( elem, types, selector, data, fn, one ) { var origFn, type; // Types can be a map of types/handlers if ( typeof types === "object" ) { // ( types-Object, selector, data ) if ( typeof selector !== "string" ) { // ( types-Object, data ) data = data || selector; selector = undefined; } for ( type in types ) { on( elem, type, selector, data, types[ type ], one ); } return elem; } if ( data == null && fn == null ) { // ( types, fn ) fn = selector; data = selector = undefined; } else if ( fn == null ) { if ( typeof selector === "string" ) { // ( types, selector, fn ) fn = data; data = undefined; } else { // ( types, data, fn ) fn = data; data = selector; selector = undefined; } } if ( fn === false ) { fn = returnFalse; } else if ( !fn ) { return elem; } if ( one === 1 ) { origFn = fn; fn = function( event ) { // Can use an empty set, since event contains the info jQuery().off( event ); return origFn.apply( this, arguments ); }; // Use same guid so caller can remove using origFn fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); } return elem.each( function() { jQuery.event.add( this, types, fn, data, selector ); } ); } /* * Helper functions for managing events -- not part of the public interface. * Props to Dean Edwards' addEvent library for many of the ideas. */ jQuery.event = { global: {}, add: function( elem, types, handler, data, selector ) { var handleObjIn, eventHandle, tmp, events, t, handleObj, special, handlers, type, namespaces, origType, elemData = dataPriv.get( elem ); // Don't attach events to noData or text/comment nodes (but allow plain objects) if ( !elemData ) { return; } // Caller can pass in an object of custom data in lieu of the handler if ( handler.handler ) { handleObjIn = handler; handler = handleObjIn.handler; selector = handleObjIn.selector; } // Ensure that invalid selectors throw exceptions at attach time // Evaluate against documentElement in case elem is a non-element node (e.g., document) if ( selector ) { jQuery.find.matchesSelector( documentElement, selector ); } // Make sure that the handler has a unique ID, used to find/remove it later if ( !handler.guid ) { handler.guid = jQuery.guid++; } // Init the element's event structure and main handler, if this is the first if ( !( events = elemData.events ) ) { events = elemData.events = {}; } if ( !( eventHandle = elemData.handle ) ) { eventHandle = elemData.handle = function( e ) { // Discard the second event of a jQuery.event.trigger() and // when an event is called after a page has unloaded return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ? jQuery.event.dispatch.apply( elem, arguments ) : undefined; }; } // Handle multiple events separated by a space types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[ t ] ) || []; type = origType = tmp[ 1 ]; namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); // There *must* be a type, no attaching namespace-only handlers if ( !type ) { continue; } // If event changes its type, use the special event handlers for the changed type special = jQuery.event.special[ type ] || {}; // If selector defined, determine special event api type, otherwise given type type = ( selector ? special.delegateType : special.bindType ) || type; // Update special based on newly reset type special = jQuery.event.special[ type ] || {}; // handleObj is passed to all event handlers handleObj = jQuery.extend( { type: type, origType: origType, data: data, handler: handler, guid: handler.guid, selector: selector, needsContext: selector && jQuery.expr.match.needsContext.test( selector ), namespace: namespaces.join( "." ) }, handleObjIn ); // Init the event handler queue if we're the first if ( !( handlers = events[ type ] ) ) { handlers = events[ type ] = []; handlers.delegateCount = 0; // Only use addEventListener if the special events handler returns false if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) { if ( elem.addEventListener ) { elem.addEventListener( type, eventHandle ); } } } if ( special.add ) { special.add.call( elem, handleObj ); if ( !handleObj.handler.guid ) { handleObj.handler.guid = handler.guid; } } // Add to the element's handler list, delegates in front if ( selector ) { handlers.splice( handlers.delegateCount++, 0, handleObj ); } else { handlers.push( handleObj ); } // Keep track of which events have ever been used, for event optimization jQuery.event.global[ type ] = true; } }, // Detach an event or set of events from an element remove: function( elem, types, handler, selector, mappedTypes ) { var j, origCount, tmp, events, t, handleObj, special, handlers, type, namespaces, origType, elemData = dataPriv.hasData( elem ) && dataPriv.get( elem ); if ( !elemData || !( events = elemData.events ) ) { return; } // Once for each type.namespace in types; type may be omitted types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[ t ] ) || []; type = origType = tmp[ 1 ]; namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); // Unbind all events (on this namespace, if provided) for the element if ( !type ) { for ( type in events ) { jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); } continue; } special = jQuery.event.special[ type ] || {}; type = ( selector ? special.delegateType : special.bindType ) || type; handlers = events[ type ] || []; tmp = tmp[ 2 ] && new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ); // Remove matching events origCount = j = handlers.length; while ( j-- ) { handleObj = handlers[ j ]; if ( ( mappedTypes || origType === handleObj.origType ) && ( !handler || handler.guid === handleObj.guid ) && ( !tmp || tmp.test( handleObj.namespace ) ) && ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) { handlers.splice( j, 1 ); if ( handleObj.selector ) { handlers.delegateCount--; } if ( special.remove ) { special.remove.call( elem, handleObj ); } } } // Remove generic event handler if we removed something and no more handlers exist // (avoids potential for endless recursion during removal of special event handlers) if ( origCount && !handlers.length ) { if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) { jQuery.removeEvent( elem, type, elemData.handle ); } delete events[ type ]; } } // Remove data and the expando if it's no longer used if ( jQuery.isEmptyObject( events ) ) { dataPriv.remove( elem, "handle events" ); } }, dispatch: function( nativeEvent ) { // Make a writable jQuery.Event from the native event object var event = jQuery.event.fix( nativeEvent ); var i, j, ret, matched, handleObj, handlerQueue, args = new Array( arguments.length ), handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [], special = jQuery.event.special[ event.type ] || {}; // Use the fix-ed jQuery.Event rather than the (read-only) native event args[ 0 ] = event; for ( i = 1; i < arguments.length; i++ ) { args[ i ] = arguments[ i ]; } event.delegateTarget = this; // Call the preDispatch hook for the mapped type, and let it bail if desired if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { return; } // Determine handlers handlerQueue = jQuery.event.handlers.call( this, event, handlers ); // Run delegates first; they may want to stop propagation beneath us i = 0; while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) { event.currentTarget = matched.elem; j = 0; while ( ( handleObj = matched.handlers[ j++ ] ) && !event.isImmediatePropagationStopped() ) { // Triggered event must either 1) have no namespace, or 2) have namespace(s) // a subset or equal to those in the bound event (both can have no namespace). if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) { event.handleObj = handleObj; event.data = handleObj.data; ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle || handleObj.handler ).apply( matched.elem, args ); if ( ret !== undefined ) { if ( ( event.result = ret ) === false ) { event.preventDefault(); event.stopPropagation(); } } } } } // Call the postDispatch hook for the mapped type if ( special.postDispatch ) { special.postDispatch.call( this, event ); } return event.result; }, handlers: function( event, handlers ) { var i, handleObj, sel, matchedHandlers, matchedSelectors, handlerQueue = [], delegateCount = handlers.delegateCount, cur = event.target; // Find delegate handlers if ( delegateCount && // Support: IE <=9 // Black-hole SVG instance trees (trac-13180) cur.nodeType && // Support: Firefox <=42 // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861) // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click // Support: IE 11 only // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343) !( event.type === "click" && event.button >= 1 ) ) { for ( ; cur !== this; cur = cur.parentNode || this ) { // Don't check non-elements (#13208) // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) { matchedHandlers = []; matchedSelectors = {}; for ( i = 0; i < delegateCount; i++ ) { handleObj = handlers[ i ]; // Don't conflict with Object.prototype properties (#13203) sel = handleObj.selector + " "; if ( matchedSelectors[ sel ] === undefined ) { matchedSelectors[ sel ] = handleObj.needsContext ? jQuery( sel, this ).index( cur ) > -1 : jQuery.find( sel, this, null, [ cur ] ).length; } if ( matchedSelectors[ sel ] ) { matchedHandlers.push( handleObj ); } } if ( matchedHandlers.length ) { handlerQueue.push( { elem: cur, handlers: matchedHandlers } ); } } } } // Add the remaining (directly-bound) handlers cur = this; if ( delegateCount < handlers.length ) { handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } ); } return handlerQueue; }, addProp: function( name, hook ) { Object.defineProperty( jQuery.Event.prototype, name, { enumerable: true, configurable: true, get: isFunction( hook ) ? function() { if ( this.originalEvent ) { return hook( this.originalEvent ); } } : function() { if ( this.originalEvent ) { return this.originalEvent[ name ]; } }, set: function( value ) { Object.defineProperty( this, name, { enumerable: true, configurable: true, writable: true, value: value } ); } } ); }, fix: function( originalEvent ) { return originalEvent[ jQuery.expando ] ? originalEvent : new jQuery.Event( originalEvent ); }, special: { load: { // Prevent triggered image.load events from bubbling to window.load noBubble: true }, focus: { // Fire native event if possible so blur/focus sequence is correct trigger: function() { if ( this !== safeActiveElement() && this.focus ) { this.focus(); return false; } }, delegateType: "focusin" }, blur: { trigger: function() { if ( this === safeActiveElement() && this.blur ) { this.blur(); return false; } }, delegateType: "focusout" }, click: { // For checkbox, fire native event so checked state will be right trigger: function() { if ( this.type === "checkbox" && this.click && nodeName( this, "input" ) ) { this.click(); return false; } }, // For cross-browser consistency, don't fire native .click() on links _default: function( event ) { return nodeName( event.target, "a" ); } }, beforeunload: { postDispatch: function( event ) { // Support: Firefox 20+ // Firefox doesn't alert if the returnValue field is not set. if ( event.result !== undefined && event.originalEvent ) { event.originalEvent.returnValue = event.result; } } } } }; jQuery.removeEvent = function( elem, type, handle ) { // This "if" is needed for plain objects if ( elem.removeEventListener ) { elem.removeEventListener( type, handle ); } }; jQuery.Event = function( src, props ) { // Allow instantiation without the 'new' keyword if ( !( this instanceof jQuery.Event ) ) { return new jQuery.Event( src, props ); } // Event object if ( src && src.type ) { this.originalEvent = src; this.type = src.type; // Events bubbling up the document may have been marked as prevented // by a handler lower down the tree; reflect the correct value. this.isDefaultPrevented = src.defaultPrevented || src.defaultPrevented === undefined && // Support: Android <=2.3 only src.returnValue === false ? returnTrue : returnFalse; // Create target properties // Support: Safari <=6 - 7 only // Target should not be a text node (#504, #13143) this.target = ( src.target && src.target.nodeType === 3 ) ? src.target.parentNode : src.target; this.currentTarget = src.currentTarget; this.relatedTarget = src.relatedTarget; // Event type } else { this.type = src; } // Put explicitly provided properties onto the event object if ( props ) { jQuery.extend( this, props ); } // Create a timestamp if incoming event doesn't have one this.timeStamp = src && src.timeStamp || Date.now(); // Mark it as fixed this[ jQuery.expando ] = true; }; // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html jQuery.Event.prototype = { constructor: jQuery.Event, isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse, isSimulated: false, preventDefault: function() { var e = this.originalEvent; this.isDefaultPrevented = returnTrue; if ( e && !this.isSimulated ) { e.preventDefault(); } }, stopPropagation: function() { var e = this.originalEvent; this.isPropagationStopped = returnTrue; if ( e && !this.isSimulated ) { e.stopPropagation(); } }, stopImmediatePropagation: function() { var e = this.originalEvent; this.isImmediatePropagationStopped = returnTrue; if ( e && !this.isSimulated ) { e.stopImmediatePropagation(); } this.stopPropagation(); } }; // Includes all common event props including KeyEvent and MouseEvent specific props jQuery.each( { altKey: true, bubbles: true, cancelable: true, changedTouches: true, ctrlKey: true, detail: true, eventPhase: true, metaKey: true, pageX: true, pageY: true, shiftKey: true, view: true, "char": true, charCode: true, key: true, keyCode: true, button: true, buttons: true, clientX: true, clientY: true, offsetX: true, offsetY: true, pointerId: true, pointerType: true, screenX: true, screenY: true, targetTouches: true, toElement: true, touches: true, which: function( event ) { var button = event.button; // Add which for key events if ( event.which == null && rkeyEvent.test( event.type ) ) { return event.charCode != null ? event.charCode : event.keyCode; } // Add which for click: 1 === left; 2 === middle; 3 === right if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) { if ( button & 1 ) { return 1; } if ( button & 2 ) { return 3; } if ( button & 4 ) { return 2; } return 0; } return event.which; } }, jQuery.event.addProp ); // Create mouseenter/leave events using mouseover/out and event-time checks // so that event delegation works in jQuery. // Do the same for pointerenter/pointerleave and pointerover/pointerout // // Support: Safari 7 only // Safari sends mouseenter too often; see: // https://bugs.chromium.org/p/chromium/issues/detail?id=470258 // for the description of the bug (it existed in older Chrome versions as well). jQuery.each( { mouseenter: "mouseover", mouseleave: "mouseout", pointerenter: "pointerover", pointerleave: "pointerout" }, function( orig, fix ) { jQuery.event.special[ orig ] = { delegateType: fix, bindType: fix, handle: function( event ) { var ret, target = this, related = event.relatedTarget, handleObj = event.handleObj; // For mouseenter/leave call the handler if related is outside the target. // NB: No relatedTarget if the mouse left/entered the browser window if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) { event.type = handleObj.origType; ret = handleObj.handler.apply( this, arguments ); event.type = fix; } return ret; } }; } ); jQuery.fn.extend( { on: function( types, selector, data, fn ) { return on( this, types, selector, data, fn ); }, one: function( types, selector, data, fn ) { return on( this, types, selector, data, fn, 1 ); }, off: function( types, selector, fn ) { var handleObj, type; if ( types && types.preventDefault && types.handleObj ) { // ( event ) dispatched jQuery.Event handleObj = types.handleObj; jQuery( types.delegateTarget ).off( handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, handleObj.selector, handleObj.handler ); return this; } if ( typeof types === "object" ) { // ( types-object [, selector] ) for ( type in types ) { this.off( type, selector, types[ type ] ); } return this; } if ( selector === false || typeof selector === "function" ) { // ( types [, fn] ) fn = selector; selector = undefined; } if ( fn === false ) { fn = returnFalse; } return this.each( function() { jQuery.event.remove( this, types, fn, selector ); } ); } } ); var /* eslint-disable max-len */ // See https://github.com/eslint/eslint/issues/3229 rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi, /* eslint-enable */ // Support: IE <=10 - 11, Edge 12 - 13 only // In IE/Edge using regex groups here causes severe slowdowns. // See https://connect.microsoft.com/IE/feedback/details/1736512/ rnoInnerhtml = /\s*$/g; // Prefer a tbody over its parent table for containing new rows function manipulationTarget( elem, content ) { if ( nodeName( elem, "table" ) && nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) { return jQuery( elem ).children( "tbody" )[ 0 ] || elem; } return elem; } // Replace/restore the type attribute of script elements for safe DOM manipulation function disableScript( elem ) { elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type; return elem; } function restoreScript( elem ) { if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) { elem.type = elem.type.slice( 5 ); } else { elem.removeAttribute( "type" ); } return elem; } function cloneCopyEvent( src, dest ) { var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events; if ( dest.nodeType !== 1 ) { return; } // 1. Copy private data: events, handlers, etc. if ( dataPriv.hasData( src ) ) { pdataOld = dataPriv.access( src ); pdataCur = dataPriv.set( dest, pdataOld ); events = pdataOld.events; if ( events ) { delete pdataCur.handle; pdataCur.events = {}; for ( type in events ) { for ( i = 0, l = events[ type ].length; i < l; i++ ) { jQuery.event.add( dest, type, events[ type ][ i ] ); } } } } // 2. Copy user data if ( dataUser.hasData( src ) ) { udataOld = dataUser.access( src ); udataCur = jQuery.extend( {}, udataOld ); dataUser.set( dest, udataCur ); } } // Fix IE bugs, see support tests function fixInput( src, dest ) { var nodeName = dest.nodeName.toLowerCase(); // Fails to persist the checked state of a cloned checkbox or radio button. if ( nodeName === "input" && rcheckableType.test( src.type ) ) { dest.checked = src.checked; // Fails to return the selected option to the default selected state when cloning options } else if ( nodeName === "input" || nodeName === "textarea" ) { dest.defaultValue = src.defaultValue; } } function domManip( collection, args, callback, ignored ) { // Flatten any nested arrays args = concat.apply( [], args ); var fragment, first, scripts, hasScripts, node, doc, i = 0, l = collection.length, iNoClone = l - 1, value = args[ 0 ], valueIsFunction = isFunction( value ); // We can't cloneNode fragments that contain checked, in WebKit if ( valueIsFunction || ( l > 1 && typeof value === "string" && !support.checkClone && rchecked.test( value ) ) ) { return collection.each( function( index ) { var self = collection.eq( index ); if ( valueIsFunction ) { args[ 0 ] = value.call( this, index, self.html() ); } domManip( self, args, callback, ignored ); } ); } if ( l ) { fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored ); first = fragment.firstChild; if ( fragment.childNodes.length === 1 ) { fragment = first; } // Require either new content or an interest in ignored elements to invoke the callback if ( first || ignored ) { scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); hasScripts = scripts.length; // Use the original fragment for the last item // instead of the first because it can end up // being emptied incorrectly in certain situations (#8070). for ( ; i < l; i++ ) { node = fragment; if ( i !== iNoClone ) { node = jQuery.clone( node, true, true ); // Keep references to cloned scripts for later restoration if ( hasScripts ) { // Support: Android <=4.0 only, PhantomJS 1 only // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( scripts, getAll( node, "script" ) ); } } callback.call( collection[ i ], node, i ); } if ( hasScripts ) { doc = scripts[ scripts.length - 1 ].ownerDocument; // Reenable scripts jQuery.map( scripts, restoreScript ); // Evaluate executable scripts on first document insertion for ( i = 0; i < hasScripts; i++ ) { node = scripts[ i ]; if ( rscriptType.test( node.type || "" ) && !dataPriv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) { if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) { // Optional AJAX dependency, but won't run scripts if not present if ( jQuery._evalUrl ) { jQuery._evalUrl( node.src ); } } else { DOMEval( node.textContent.replace( rcleanScript, "" ), doc, node ); } } } } } } return collection; } function remove( elem, selector, keepData ) { var node, nodes = selector ? jQuery.filter( selector, elem ) : elem, i = 0; for ( ; ( node = nodes[ i ] ) != null; i++ ) { if ( !keepData && node.nodeType === 1 ) { jQuery.cleanData( getAll( node ) ); } if ( node.parentNode ) { if ( keepData && jQuery.contains( node.ownerDocument, node ) ) { setGlobalEval( getAll( node, "script" ) ); } node.parentNode.removeChild( node ); } } return elem; } jQuery.extend( { htmlPrefilter: function( html ) { return html.replace( rxhtmlTag, "<$1>" ); }, clone: function( elem, dataAndEvents, deepDataAndEvents ) { var i, l, srcElements, destElements, clone = elem.cloneNode( true ), inPage = jQuery.contains( elem.ownerDocument, elem ); // Fix IE cloning issues if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && !jQuery.isXMLDoc( elem ) ) { // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2 destElements = getAll( clone ); srcElements = getAll( elem ); for ( i = 0, l = srcElements.length; i < l; i++ ) { fixInput( srcElements[ i ], destElements[ i ] ); } } // Copy the events from the original to the clone if ( dataAndEvents ) { if ( deepDataAndEvents ) { srcElements = srcElements || getAll( elem ); destElements = destElements || getAll( clone ); for ( i = 0, l = srcElements.length; i < l; i++ ) { cloneCopyEvent( srcElements[ i ], destElements[ i ] ); } } else { cloneCopyEvent( elem, clone ); } } // Preserve script evaluation history destElements = getAll( clone, "script" ); if ( destElements.length > 0 ) { setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); } // Return the cloned set return clone; }, cleanData: function( elems ) { var data, elem, type, special = jQuery.event.special, i = 0; for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) { if ( acceptData( elem ) ) { if ( ( data = elem[ dataPriv.expando ] ) ) { if ( data.events ) { for ( type in data.events ) { if ( special[ type ] ) { jQuery.event.remove( elem, type ); // This is a shortcut to avoid jQuery.event.remove's overhead } else { jQuery.removeEvent( elem, type, data.handle ); } } } // Support: Chrome <=35 - 45+ // Assign undefined instead of using delete, see Data#remove elem[ dataPriv.expando ] = undefined; } if ( elem[ dataUser.expando ] ) { // Support: Chrome <=35 - 45+ // Assign undefined instead of using delete, see Data#remove elem[ dataUser.expando ] = undefined; } } } } } ); jQuery.fn.extend( { detach: function( selector ) { return remove( this, selector, true ); }, remove: function( selector ) { return remove( this, selector ); }, text: function( value ) { return access( this, function( value ) { return value === undefined ? jQuery.text( this ) : this.empty().each( function() { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { this.textContent = value; } } ); }, null, value, arguments.length ); }, append: function() { return domManip( this, arguments, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { var target = manipulationTarget( this, elem ); target.appendChild( elem ); } } ); }, prepend: function() { return domManip( this, arguments, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { var target = manipulationTarget( this, elem ); target.insertBefore( elem, target.firstChild ); } } ); }, before: function() { return domManip( this, arguments, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this ); } } ); }, after: function() { return domManip( this, arguments, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this.nextSibling ); } } ); }, empty: function() { var elem, i = 0; for ( ; ( elem = this[ i ] ) != null; i++ ) { if ( elem.nodeType === 1 ) { // Prevent memory leaks jQuery.cleanData( getAll( elem, false ) ); // Remove any remaining nodes elem.textContent = ""; } } return this; }, clone: function( dataAndEvents, deepDataAndEvents ) { dataAndEvents = dataAndEvents == null ? false : dataAndEvents; deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; return this.map( function() { return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); } ); }, html: function( value ) { return access( this, function( value ) { var elem = this[ 0 ] || {}, i = 0, l = this.length; if ( value === undefined && elem.nodeType === 1 ) { return elem.innerHTML; } // See if we can take a shortcut and just use innerHTML if ( typeof value === "string" && !rnoInnerhtml.test( value ) && !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) { value = jQuery.htmlPrefilter( value ); try { for ( ; i < l; i++ ) { elem = this[ i ] || {}; // Remove element nodes and prevent memory leaks if ( elem.nodeType === 1 ) { jQuery.cleanData( getAll( elem, false ) ); elem.innerHTML = value; } } elem = 0; // If using innerHTML throws an exception, use the fallback method } catch ( e ) {} } if ( elem ) { this.empty().append( value ); } }, null, value, arguments.length ); }, replaceWith: function() { var ignored = []; // Make the changes, replacing each non-ignored context element with the new content return domManip( this, arguments, function( elem ) { var parent = this.parentNode; if ( jQuery.inArray( this, ignored ) < 0 ) { jQuery.cleanData( getAll( this ) ); if ( parent ) { parent.replaceChild( elem, this ); } } // Force callback invocation }, ignored ); } } ); jQuery.each( { appendTo: "append", prependTo: "prepend", insertBefore: "before", insertAfter: "after", replaceAll: "replaceWith" }, function( name, original ) { jQuery.fn[ name ] = function( selector ) { var elems, ret = [], insert = jQuery( selector ), last = insert.length - 1, i = 0; for ( ; i <= last; i++ ) { elems = i === last ? this : this.clone( true ); jQuery( insert[ i ] )[ original ]( elems ); // Support: Android <=4.0 only, PhantomJS 1 only // .get() because push.apply(_, arraylike) throws on ancient WebKit push.apply( ret, elems.get() ); } return this.pushStack( ret ); }; } ); var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" ); var getStyles = function( elem ) { // Support: IE <=11 only, Firefox <=30 (#15098, #14150) // IE throws on elements created in popups // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" var view = elem.ownerDocument.defaultView; if ( !view || !view.opener ) { view = window; } return view.getComputedStyle( elem ); }; var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" ); ( function() { // Executing both pixelPosition & boxSizingReliable tests require only one layout // so they're executed at the same time to save the second computation. function computeStyleTests() { // This is a singleton, we need to execute it only once if ( !div ) { return; } container.style.cssText = "position:absolute;left:-11111px;width:60px;" + "margin-top:1px;padding:0;border:0"; div.style.cssText = "position:relative;display:block;box-sizing:border-box;overflow:scroll;" + "margin:auto;border:1px;padding:1px;" + "width:60%;top:1%"; documentElement.appendChild( container ).appendChild( div ); var divStyle = window.getComputedStyle( div ); pixelPositionVal = divStyle.top !== "1%"; // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44 reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12; // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3 // Some styles come back with percentage values, even though they shouldn't div.style.right = "60%"; pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36; // Support: IE 9 - 11 only // Detect misreporting of content dimensions for box-sizing:border-box elements boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36; // Support: IE 9 only // Detect overflow:scroll screwiness (gh-3699) div.style.position = "absolute"; scrollboxSizeVal = div.offsetWidth === 36 || "absolute"; documentElement.removeChild( container ); // Nullify the div so it wouldn't be stored in the memory and // it will also be a sign that checks already performed div = null; } function roundPixelMeasures( measure ) { return Math.round( parseFloat( measure ) ); } var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal, reliableMarginLeftVal, container = document.createElement( "div" ), div = document.createElement( "div" ); // Finish early in limited (non-browser) environments if ( !div.style ) { return; } // Support: IE <=9 - 11 only // Style of cloned element affects source element cloned (#8908) div.style.backgroundClip = "content-box"; div.cloneNode( true ).style.backgroundClip = ""; support.clearCloneStyle = div.style.backgroundClip === "content-box"; jQuery.extend( support, { boxSizingReliable: function() { computeStyleTests(); return boxSizingReliableVal; }, pixelBoxStyles: function() { computeStyleTests(); return pixelBoxStylesVal; }, pixelPosition: function() { computeStyleTests(); return pixelPositionVal; }, reliableMarginLeft: function() { computeStyleTests(); return reliableMarginLeftVal; }, scrollboxSize: function() { computeStyleTests(); return scrollboxSizeVal; } } ); } )(); function curCSS( elem, name, computed ) { var width, minWidth, maxWidth, ret, // Support: Firefox 51+ // Retrieving style before computed somehow // fixes an issue with getting wrong values // on detached elements style = elem.style; computed = computed || getStyles( elem ); // getPropertyValue is needed for: // .css('filter') (IE 9 only, #12537) // .css('--customProperty) (#3144) if ( computed ) { ret = computed.getPropertyValue( name ) || computed[ name ]; if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) { ret = jQuery.style( elem, name ); } // A tribute to the "awesome hack by Dean Edwards" // Android Browser returns percentage for some values, // but width seems to be reliably pixels. // This is against the CSSOM draft spec: // https://drafts.csswg.org/cssom/#resolved-values if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) { // Remember the original values width = style.width; minWidth = style.minWidth; maxWidth = style.maxWidth; // Put in the new values to get a computed value out style.minWidth = style.maxWidth = style.width = ret; ret = computed.width; // Revert the changed values style.width = width; style.minWidth = minWidth; style.maxWidth = maxWidth; } } return ret !== undefined ? // Support: IE <=9 - 11 only // IE returns zIndex value as an integer. ret + "" : ret; } function addGetHookIf( conditionFn, hookFn ) { // Define the hook, we'll check on the first run if it's really needed. return { get: function() { if ( conditionFn() ) { // Hook not needed (or it's not possible to use it due // to missing dependency), remove it. delete this.get; return; } // Hook needed; redefine it so that the support test is not executed again. return ( this.get = hookFn ).apply( this, arguments ); } }; } var // Swappable if display is none or starts with table // except "table", "table-cell", or "table-caption" // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display rdisplayswap = /^(none|table(?!-c[ea]).+)/, rcustomProp = /^--/, cssShow = { position: "absolute", visibility: "hidden", display: "block" }, cssNormalTransform = { letterSpacing: "0", fontWeight: "400" }, cssPrefixes = [ "Webkit", "Moz", "ms" ], emptyStyle = document.createElement( "div" ).style; // Return a css property mapped to a potentially vendor prefixed property function vendorPropName( name ) { // Shortcut for names that are not vendor prefixed if ( name in emptyStyle ) { return name; } // Check for vendor prefixed names var capName = name[ 0 ].toUpperCase() + name.slice( 1 ), i = cssPrefixes.length; while ( i-- ) { name = cssPrefixes[ i ] + capName; if ( name in emptyStyle ) { return name; } } } // Return a property mapped along what jQuery.cssProps suggests or to // a vendor prefixed property. function finalPropName( name ) { var ret = jQuery.cssProps[ name ]; if ( !ret ) { ret = jQuery.cssProps[ name ] = vendorPropName( name ) || name; } return ret; } function setPositiveNumber( elem, value, subtract ) { // Any relative (+/-) values have already been // normalized at this point var matches = rcssNum.exec( value ); return matches ? // Guard against undefined "subtract", e.g., when used as in cssHooks Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) : value; } function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) { var i = dimension === "width" ? 1 : 0, extra = 0, delta = 0; // Adjustment may not be necessary if ( box === ( isBorderBox ? "border" : "content" ) ) { return 0; } for ( ; i < 4; i += 2 ) { // Both box models exclude margin if ( box === "margin" ) { delta += jQuery.css( elem, box + cssExpand[ i ], true, styles ); } // If we get here with a content-box, we're seeking "padding" or "border" or "margin" if ( !isBorderBox ) { // Add padding delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); // For "border" or "margin", add border if ( box !== "padding" ) { delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); // But still keep track of it otherwise } else { extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } // If we get here with a border-box (content + padding + border), we're seeking "content" or // "padding" or "margin" } else { // For "content", subtract padding if ( box === "content" ) { delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); } // For "content" or "padding", subtract border if ( box !== "margin" ) { delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } } } // Account for positive content-box scroll gutter when requested by providing computedVal if ( !isBorderBox && computedVal >= 0 ) { // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border // Assuming integer scroll gutter, subtract the rest and round down delta += Math.max( 0, Math.ceil( elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - computedVal - delta - extra - 0.5 ) ); } return delta; } function getWidthOrHeight( elem, dimension, extra ) { // Start with computed style var styles = getStyles( elem ), val = curCSS( elem, dimension, styles ), isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box", valueIsBorderBox = isBorderBox; // Support: Firefox <=54 // Return a confounding non-pixel value or feign ignorance, as appropriate. if ( rnumnonpx.test( val ) ) { if ( !extra ) { return val; } val = "auto"; } // Check for style in case a browser which returns unreliable values // for getComputedStyle silently falls back to the reliable elem.style valueIsBorderBox = valueIsBorderBox && ( support.boxSizingReliable() || val === elem.style[ dimension ] ); // Fall back to offsetWidth/offsetHeight when value is "auto" // This happens for inline elements with no explicit setting (gh-3571) // Support: Android <=4.1 - 4.3 only // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602) if ( val === "auto" || !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) { val = elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ]; // offsetWidth/offsetHeight provide border-box values valueIsBorderBox = true; } // Normalize "" and auto val = parseFloat( val ) || 0; // Adjust for the element's box model return ( val + boxModelAdjustment( elem, dimension, extra || ( isBorderBox ? "border" : "content" ), valueIsBorderBox, styles, // Provide the current computed size to request scroll gutter calculation (gh-3589) val ) ) + "px"; } jQuery.extend( { // Add in style property hooks for overriding the default // behavior of getting and setting a style property cssHooks: { opacity: { get: function( elem, computed ) { if ( computed ) { // We should always get a number back from opacity var ret = curCSS( elem, "opacity" ); return ret === "" ? "1" : ret; } } } }, // Don't automatically add "px" to these possibly-unitless properties cssNumber: { "animationIterationCount": true, "columnCount": true, "fillOpacity": true, "flexGrow": true, "flexShrink": true, "fontWeight": true, "lineHeight": true, "opacity": true, "order": true, "orphans": true, "widows": true, "zIndex": true, "zoom": true }, // Add in properties whose names you wish to fix before // setting or getting the value cssProps: {}, // Get and set the style property on a DOM Node style: function( elem, name, value, extra ) { // Don't set styles on text and comment nodes if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { return; } // Make sure that we're working with the right name var ret, type, hooks, origName = camelCase( name ), isCustomProp = rcustomProp.test( name ), style = elem.style; // Make sure that we're working with the right name. We don't // want to query the value if it is a CSS custom property // since they are user-defined. if ( !isCustomProp ) { name = finalPropName( origName ); } // Gets hook for the prefixed version, then unprefixed version hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; // Check if we're setting a value if ( value !== undefined ) { type = typeof value; // Convert "+=" or "-=" to relative numbers (#7345) if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) { value = adjustCSS( elem, name, ret ); // Fixes bug #9237 type = "number"; } // Make sure that null and NaN values aren't set (#7116) if ( value == null || value !== value ) { return; } // If a number was passed in, add the unit (except for certain CSS properties) if ( type === "number" ) { value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" ); } // background-* props affect original clone's values if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { style[ name ] = "inherit"; } // If a hook was provided, use that value, otherwise just set the specified value if ( !hooks || !( "set" in hooks ) || ( value = hooks.set( elem, value, extra ) ) !== undefined ) { if ( isCustomProp ) { style.setProperty( name, value ); } else { style[ name ] = value; } } } else { // If a hook was provided get the non-computed value from there if ( hooks && "get" in hooks && ( ret = hooks.get( elem, false, extra ) ) !== undefined ) { return ret; } // Otherwise just get the value from the style object return style[ name ]; } }, css: function( elem, name, extra, styles ) { var val, num, hooks, origName = camelCase( name ), isCustomProp = rcustomProp.test( name ); // Make sure that we're working with the right name. We don't // want to modify the value if it is a CSS custom property // since they are user-defined. if ( !isCustomProp ) { name = finalPropName( origName ); } // Try prefixed name followed by the unprefixed name hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; // If a hook was provided get the computed value from there if ( hooks && "get" in hooks ) { val = hooks.get( elem, true, extra ); } // Otherwise, if a way to get the computed value exists, use that if ( val === undefined ) { val = curCSS( elem, name, styles ); } // Convert "normal" to computed value if ( val === "normal" && name in cssNormalTransform ) { val = cssNormalTransform[ name ]; } // Make numeric if forced or a qualifier was provided and val looks numeric if ( extra === "" || extra ) { num = parseFloat( val ); return extra === true || isFinite( num ) ? num || 0 : val; } return val; } } ); jQuery.each( [ "height", "width" ], function( i, dimension ) { jQuery.cssHooks[ dimension ] = { get: function( elem, computed, extra ) { if ( computed ) { // Certain elements can have dimension info if we invisibly show them // but it must have a current display style that would benefit return rdisplayswap.test( jQuery.css( elem, "display" ) ) && // Support: Safari 8+ // Table columns in Safari have non-zero offsetWidth & zero // getBoundingClientRect().width unless display is changed. // Support: IE <=11 only // Running getBoundingClientRect on a disconnected node // in IE throws an error. ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ? swap( elem, cssShow, function() { return getWidthOrHeight( elem, dimension, extra ); } ) : getWidthOrHeight( elem, dimension, extra ); } }, set: function( elem, value, extra ) { var matches, styles = getStyles( elem ), isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box", subtract = extra && boxModelAdjustment( elem, dimension, extra, isBorderBox, styles ); // Account for unreliable border-box dimensions by comparing offset* to computed and // faking a content-box to get border and padding (gh-3699) if ( isBorderBox && support.scrollboxSize() === styles.position ) { subtract -= Math.ceil( elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - parseFloat( styles[ dimension ] ) - boxModelAdjustment( elem, dimension, "border", false, styles ) - 0.5 ); } // Convert to pixels if value adjustment is needed if ( subtract && ( matches = rcssNum.exec( value ) ) && ( matches[ 3 ] || "px" ) !== "px" ) { elem.style[ dimension ] = value; value = jQuery.css( elem, dimension ); } return setPositiveNumber( elem, value, subtract ); } }; } ); jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft, function( elem, computed ) { if ( computed ) { return ( parseFloat( curCSS( elem, "marginLeft" ) ) || elem.getBoundingClientRect().left - swap( elem, { marginLeft: 0 }, function() { return elem.getBoundingClientRect().left; } ) ) + "px"; } } ); // These hooks are used by animate to expand properties jQuery.each( { margin: "", padding: "", border: "Width" }, function( prefix, suffix ) { jQuery.cssHooks[ prefix + suffix ] = { expand: function( value ) { var i = 0, expanded = {}, // Assumes a single number if not a string parts = typeof value === "string" ? value.split( " " ) : [ value ]; for ( ; i < 4; i++ ) { expanded[ prefix + cssExpand[ i ] + suffix ] = parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; } return expanded; } }; if ( prefix !== "margin" ) { jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; } } ); jQuery.fn.extend( { css: function( name, value ) { return access( this, function( elem, name, value ) { var styles, len, map = {}, i = 0; if ( Array.isArray( name ) ) { styles = getStyles( elem ); len = name.length; for ( ; i < len; i++ ) { map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); } return map; } return value !== undefined ? jQuery.style( elem, name, value ) : jQuery.css( elem, name ); }, name, value, arguments.length > 1 ); } } ); function Tween( elem, options, prop, end, easing ) { return new Tween.prototype.init( elem, options, prop, end, easing ); } jQuery.Tween = Tween; Tween.prototype = { constructor: Tween, init: function( elem, options, prop, end, easing, unit ) { this.elem = elem; this.prop = prop; this.easing = easing || jQuery.easing._default; this.options = options; this.start = this.now = this.cur(); this.end = end; this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); }, cur: function() { var hooks = Tween.propHooks[ this.prop ]; return hooks && hooks.get ? hooks.get( this ) : Tween.propHooks._default.get( this ); }, run: function( percent ) { var eased, hooks = Tween.propHooks[ this.prop ]; if ( this.options.duration ) { this.pos = eased = jQuery.easing[ this.easing ]( percent, this.options.duration * percent, 0, 1, this.options.duration ); } else { this.pos = eased = percent; } this.now = ( this.end - this.start ) * eased + this.start; if ( this.options.step ) { this.options.step.call( this.elem, this.now, this ); } if ( hooks && hooks.set ) { hooks.set( this ); } else { Tween.propHooks._default.set( this ); } return this; } }; Tween.prototype.init.prototype = Tween.prototype; Tween.propHooks = { _default: { get: function( tween ) { var result; // Use a property on the element directly when it is not a DOM element, // or when there is no matching style property that exists. if ( tween.elem.nodeType !== 1 || tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) { return tween.elem[ tween.prop ]; } // Passing an empty string as a 3rd parameter to .css will automatically // attempt a parseFloat and fallback to a string if the parse fails. // Simple values such as "10px" are parsed to Float; // complex values such as "rotate(1rad)" are returned as-is. result = jQuery.css( tween.elem, tween.prop, "" ); // Empty strings, null, undefined and "auto" are converted to 0. return !result || result === "auto" ? 0 : result; }, set: function( tween ) { // Use step hook for back compat. // Use cssHook if its there. // Use .style if available and use plain properties where available. if ( jQuery.fx.step[ tween.prop ] ) { jQuery.fx.step[ tween.prop ]( tween ); } else if ( tween.elem.nodeType === 1 && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) { jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); } else { tween.elem[ tween.prop ] = tween.now; } } } }; // Support: IE <=9 only // Panic based approach to setting things on disconnected nodes Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { set: function( tween ) { if ( tween.elem.nodeType && tween.elem.parentNode ) { tween.elem[ tween.prop ] = tween.now; } } }; jQuery.easing = { linear: function( p ) { return p; }, swing: function( p ) { return 0.5 - Math.cos( p * Math.PI ) / 2; }, _default: "swing" }; jQuery.fx = Tween.prototype.init; // Back compat <1.8 extension point jQuery.fx.step = {}; var fxNow, inProgress, rfxtypes = /^(?:toggle|show|hide)$/, rrun = /queueHooks$/; function schedule() { if ( inProgress ) { if ( document.hidden === false && window.requestAnimationFrame ) { window.requestAnimationFrame( schedule ); } else { window.setTimeout( schedule, jQuery.fx.interval ); } jQuery.fx.tick(); } } // Animations created synchronously will run synchronously function createFxNow() { window.setTimeout( function() { fxNow = undefined; } ); return ( fxNow = Date.now() ); } // Generate parameters to create a standard animation function genFx( type, includeWidth ) { var which, i = 0, attrs = { height: type }; // If we include width, step value is 1 to do all cssExpand values, // otherwise step value is 2 to skip over Left and Right includeWidth = includeWidth ? 1 : 0; for ( ; i < 4; i += 2 - includeWidth ) { which = cssExpand[ i ]; attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; } if ( includeWidth ) { attrs.opacity = attrs.width = type; } return attrs; } function createTween( value, prop, animation ) { var tween, collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ), index = 0, length = collection.length; for ( ; index < length; index++ ) { if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) { // We're done with this property return tween; } } } function defaultPrefilter( elem, props, opts ) { var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display, isBox = "width" in props || "height" in props, anim = this, orig = {}, style = elem.style, hidden = elem.nodeType && isHiddenWithinTree( elem ), dataShow = dataPriv.get( elem, "fxshow" ); // Queue-skipping animations hijack the fx hooks if ( !opts.queue ) { hooks = jQuery._queueHooks( elem, "fx" ); if ( hooks.unqueued == null ) { hooks.unqueued = 0; oldfire = hooks.empty.fire; hooks.empty.fire = function() { if ( !hooks.unqueued ) { oldfire(); } }; } hooks.unqueued++; anim.always( function() { // Ensure the complete handler is called before this completes anim.always( function() { hooks.unqueued--; if ( !jQuery.queue( elem, "fx" ).length ) { hooks.empty.fire(); } } ); } ); } // Detect show/hide animations for ( prop in props ) { value = props[ prop ]; if ( rfxtypes.test( value ) ) { delete props[ prop ]; toggle = toggle || value === "toggle"; if ( value === ( hidden ? "hide" : "show" ) ) { // Pretend to be hidden if this is a "show" and // there is still data from a stopped show/hide if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { hidden = true; // Ignore all other no-op show/hide data } else { continue; } } orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop ); } } // Bail out if this is a no-op like .hide().hide() propTween = !jQuery.isEmptyObject( props ); if ( !propTween && jQuery.isEmptyObject( orig ) ) { return; } // Restrict "overflow" and "display" styles during box animations if ( isBox && elem.nodeType === 1 ) { // Support: IE <=9 - 11, Edge 12 - 15 // Record all 3 overflow attributes because IE does not infer the shorthand // from identically-valued overflowX and overflowY and Edge just mirrors // the overflowX value there. opts.overflow = [ style.overflow, style.overflowX, style.overflowY ]; // Identify a display type, preferring old show/hide data over the CSS cascade restoreDisplay = dataShow && dataShow.display; if ( restoreDisplay == null ) { restoreDisplay = dataPriv.get( elem, "display" ); } display = jQuery.css( elem, "display" ); if ( display === "none" ) { if ( restoreDisplay ) { display = restoreDisplay; } else { // Get nonempty value(s) by temporarily forcing visibility showHide( [ elem ], true ); restoreDisplay = elem.style.display || restoreDisplay; display = jQuery.css( elem, "display" ); showHide( [ elem ] ); } } // Animate inline elements as inline-block if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) { if ( jQuery.css( elem, "float" ) === "none" ) { // Restore the original display value at the end of pure show/hide animations if ( !propTween ) { anim.done( function() { style.display = restoreDisplay; } ); if ( restoreDisplay == null ) { display = style.display; restoreDisplay = display === "none" ? "" : display; } } style.display = "inline-block"; } } } if ( opts.overflow ) { style.overflow = "hidden"; anim.always( function() { style.overflow = opts.overflow[ 0 ]; style.overflowX = opts.overflow[ 1 ]; style.overflowY = opts.overflow[ 2 ]; } ); } // Implement show/hide animations propTween = false; for ( prop in orig ) { // General show/hide setup for this element animation if ( !propTween ) { if ( dataShow ) { if ( "hidden" in dataShow ) { hidden = dataShow.hidden; } } else { dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } ); } // Store hidden/visible for toggle so `.stop().toggle()` "reverses" if ( toggle ) { dataShow.hidden = !hidden; } // Show elements before animating them if ( hidden ) { showHide( [ elem ], true ); } /* eslint-disable no-loop-func */ anim.done( function() { /* eslint-enable no-loop-func */ // The final step of a "hide" animation is actually hiding the element if ( !hidden ) { showHide( [ elem ] ); } dataPriv.remove( elem, "fxshow" ); for ( prop in orig ) { jQuery.style( elem, prop, orig[ prop ] ); } } ); } // Per-property setup propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim ); if ( !( prop in dataShow ) ) { dataShow[ prop ] = propTween.start; if ( hidden ) { propTween.end = propTween.start; propTween.start = 0; } } } } function propFilter( props, specialEasing ) { var index, name, easing, value, hooks; // camelCase, specialEasing and expand cssHook pass for ( index in props ) { name = camelCase( index ); easing = specialEasing[ name ]; value = props[ index ]; if ( Array.isArray( value ) ) { easing = value[ 1 ]; value = props[ index ] = value[ 0 ]; } if ( index !== name ) { props[ name ] = value; delete props[ index ]; } hooks = jQuery.cssHooks[ name ]; if ( hooks && "expand" in hooks ) { value = hooks.expand( value ); delete props[ name ]; // Not quite $.extend, this won't overwrite existing keys. // Reusing 'index' because we have the correct "name" for ( index in value ) { if ( !( index in props ) ) { props[ index ] = value[ index ]; specialEasing[ index ] = easing; } } } else { specialEasing[ name ] = easing; } } } function Animation( elem, properties, options ) { var result, stopped, index = 0, length = Animation.prefilters.length, deferred = jQuery.Deferred().always( function() { // Don't match elem in the :animated selector delete tick.elem; } ), tick = function() { if ( stopped ) { return false; } var currentTime = fxNow || createFxNow(), remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ), // Support: Android 2.3 only // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497) temp = remaining / animation.duration || 0, percent = 1 - temp, index = 0, length = animation.tweens.length; for ( ; index < length; index++ ) { animation.tweens[ index ].run( percent ); } deferred.notifyWith( elem, [ animation, percent, remaining ] ); // If there's more to do, yield if ( percent < 1 && length ) { return remaining; } // If this was an empty animation, synthesize a final progress notification if ( !length ) { deferred.notifyWith( elem, [ animation, 1, 0 ] ); } // Resolve the animation and report its conclusion deferred.resolveWith( elem, [ animation ] ); return false; }, animation = deferred.promise( { elem: elem, props: jQuery.extend( {}, properties ), opts: jQuery.extend( true, { specialEasing: {}, easing: jQuery.easing._default }, options ), originalProperties: properties, originalOptions: options, startTime: fxNow || createFxNow(), duration: options.duration, tweens: [], createTween: function( prop, end ) { var tween = jQuery.Tween( elem, animation.opts, prop, end, animation.opts.specialEasing[ prop ] || animation.opts.easing ); animation.tweens.push( tween ); return tween; }, stop: function( gotoEnd ) { var index = 0, // If we are going to the end, we want to run all the tweens // otherwise we skip this part length = gotoEnd ? animation.tweens.length : 0; if ( stopped ) { return this; } stopped = true; for ( ; index < length; index++ ) { animation.tweens[ index ].run( 1 ); } // Resolve when we played the last frame; otherwise, reject if ( gotoEnd ) { deferred.notifyWith( elem, [ animation, 1, 0 ] ); deferred.resolveWith( elem, [ animation, gotoEnd ] ); } else { deferred.rejectWith( elem, [ animation, gotoEnd ] ); } return this; } } ), props = animation.props; propFilter( props, animation.opts.specialEasing ); for ( ; index < length; index++ ) { result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts ); if ( result ) { if ( isFunction( result.stop ) ) { jQuery._queueHooks( animation.elem, animation.opts.queue ).stop = result.stop.bind( result ); } return result; } } jQuery.map( props, createTween, animation ); if ( isFunction( animation.opts.start ) ) { animation.opts.start.call( elem, animation ); } // Attach callbacks from options animation .progress( animation.opts.progress ) .done( animation.opts.done, animation.opts.complete ) .fail( animation.opts.fail ) .always( animation.opts.always ); jQuery.fx.timer( jQuery.extend( tick, { elem: elem, anim: animation, queue: animation.opts.queue } ) ); return animation; } jQuery.Animation = jQuery.extend( Animation, { tweeners: { "*": [ function( prop, value ) { var tween = this.createTween( prop, value ); adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween ); return tween; } ] }, tweener: function( props, callback ) { if ( isFunction( props ) ) { callback = props; props = [ "*" ]; } else { props = props.match( rnothtmlwhite ); } var prop, index = 0, length = props.length; for ( ; index < length; index++ ) { prop = props[ index ]; Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || []; Animation.tweeners[ prop ].unshift( callback ); } }, prefilters: [ defaultPrefilter ], prefilter: function( callback, prepend ) { if ( prepend ) { Animation.prefilters.unshift( callback ); } else { Animation.prefilters.push( callback ); } } } ); jQuery.speed = function( speed, easing, fn ) { var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : { complete: fn || !fn && easing || isFunction( speed ) && speed, duration: speed, easing: fn && easing || easing && !isFunction( easing ) && easing }; // Go to the end state if fx are off if ( jQuery.fx.off ) { opt.duration = 0; } else { if ( typeof opt.duration !== "number" ) { if ( opt.duration in jQuery.fx.speeds ) { opt.duration = jQuery.fx.speeds[ opt.duration ]; } else { opt.duration = jQuery.fx.speeds._default; } } } // Normalize opt.queue - true/undefined/null -> "fx" if ( opt.queue == null || opt.queue === true ) { opt.queue = "fx"; } // Queueing opt.old = opt.complete; opt.complete = function() { if ( isFunction( opt.old ) ) { opt.old.call( this ); } if ( opt.queue ) { jQuery.dequeue( this, opt.queue ); } }; return opt; }; jQuery.fn.extend( { fadeTo: function( speed, to, easing, callback ) { // Show any hidden elements after setting opacity to 0 return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show() // Animate to the value specified .end().animate( { opacity: to }, speed, easing, callback ); }, animate: function( prop, speed, easing, callback ) { var empty = jQuery.isEmptyObject( prop ), optall = jQuery.speed( speed, easing, callback ), doAnimation = function() { // Operate on a copy of prop so per-property easing won't be lost var anim = Animation( this, jQuery.extend( {}, prop ), optall ); // Empty animations, or finishing resolves immediately if ( empty || dataPriv.get( this, "finish" ) ) { anim.stop( true ); } }; doAnimation.finish = doAnimation; return empty || optall.queue === false ? this.each( doAnimation ) : this.queue( optall.queue, doAnimation ); }, stop: function( type, clearQueue, gotoEnd ) { var stopQueue = function( hooks ) { var stop = hooks.stop; delete hooks.stop; stop( gotoEnd ); }; if ( typeof type !== "string" ) { gotoEnd = clearQueue; clearQueue = type; type = undefined; } if ( clearQueue && type !== false ) { this.queue( type || "fx", [] ); } return this.each( function() { var dequeue = true, index = type != null && type + "queueHooks", timers = jQuery.timers, data = dataPriv.get( this ); if ( index ) { if ( data[ index ] && data[ index ].stop ) { stopQueue( data[ index ] ); } } else { for ( index in data ) { if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { stopQueue( data[ index ] ); } } } for ( index = timers.length; index--; ) { if ( timers[ index ].elem === this && ( type == null || timers[ index ].queue === type ) ) { timers[ index ].anim.stop( gotoEnd ); dequeue = false; timers.splice( index, 1 ); } } // Start the next in the queue if the last step wasn't forced. // Timers currently will call their complete callbacks, which // will dequeue but only if they were gotoEnd. if ( dequeue || !gotoEnd ) { jQuery.dequeue( this, type ); } } ); }, finish: function( type ) { if ( type !== false ) { type = type || "fx"; } return this.each( function() { var index, data = dataPriv.get( this ), queue = data[ type + "queue" ], hooks = data[ type + "queueHooks" ], timers = jQuery.timers, length = queue ? queue.length : 0; // Enable finishing flag on private data data.finish = true; // Empty the queue first jQuery.queue( this, type, [] ); if ( hooks && hooks.stop ) { hooks.stop.call( this, true ); } // Look for any active animations, and finish them for ( index = timers.length; index--; ) { if ( timers[ index ].elem === this && timers[ index ].queue === type ) { timers[ index ].anim.stop( true ); timers.splice( index, 1 ); } } // Look for any animations in the old queue and finish them for ( index = 0; index < length; index++ ) { if ( queue[ index ] && queue[ index ].finish ) { queue[ index ].finish.call( this ); } } // Turn off finishing flag delete data.finish; } ); } } ); jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) { var cssFn = jQuery.fn[ name ]; jQuery.fn[ name ] = function( speed, easing, callback ) { return speed == null || typeof speed === "boolean" ? cssFn.apply( this, arguments ) : this.animate( genFx( name, true ), speed, easing, callback ); }; } ); // Generate shortcuts for custom animations jQuery.each( { slideDown: genFx( "show" ), slideUp: genFx( "hide" ), slideToggle: genFx( "toggle" ), fadeIn: { opacity: "show" }, fadeOut: { opacity: "hide" }, fadeToggle: { opacity: "toggle" } }, function( name, props ) { jQuery.fn[ name ] = function( speed, easing, callback ) { return this.animate( props, speed, easing, callback ); }; } ); jQuery.timers = []; jQuery.fx.tick = function() { var timer, i = 0, timers = jQuery.timers; fxNow = Date.now(); for ( ; i < timers.length; i++ ) { timer = timers[ i ]; // Run the timer and safely remove it when done (allowing for external removal) if ( !timer() && timers[ i ] === timer ) { timers.splice( i--, 1 ); } } if ( !timers.length ) { jQuery.fx.stop(); } fxNow = undefined; }; jQuery.fx.timer = function( timer ) { jQuery.timers.push( timer ); jQuery.fx.start(); }; jQuery.fx.interval = 13; jQuery.fx.start = function() { if ( inProgress ) { return; } inProgress = true; schedule(); }; jQuery.fx.stop = function() { inProgress = null; }; jQuery.fx.speeds = { slow: 600, fast: 200, // Default speed _default: 400 }; // Based off of the plugin by Clint Helfers, with permission. // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/ jQuery.fn.delay = function( time, type ) { time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; type = type || "fx"; return this.queue( type, function( next, hooks ) { var timeout = window.setTimeout( next, time ); hooks.stop = function() { window.clearTimeout( timeout ); }; } ); }; ( function() { var input = document.createElement( "input" ), select = document.createElement( "select" ), opt = select.appendChild( document.createElement( "option" ) ); input.type = "checkbox"; // Support: Android <=4.3 only // Default value for a checkbox should be "on" support.checkOn = input.value !== ""; // Support: IE <=11 only // Must access selectedIndex to make default options select support.optSelected = opt.selected; // Support: IE <=11 only // An input loses its value after becoming a radio input = document.createElement( "input" ); input.value = "t"; input.type = "radio"; support.radioValue = input.value === "t"; } )(); var boolHook, attrHandle = jQuery.expr.attrHandle; jQuery.fn.extend( { attr: function( name, value ) { return access( this, jQuery.attr, name, value, arguments.length > 1 ); }, removeAttr: function( name ) { return this.each( function() { jQuery.removeAttr( this, name ); } ); } } ); jQuery.extend( { attr: function( elem, name, value ) { var ret, hooks, nType = elem.nodeType; // Don't get/set attributes on text, comment and attribute nodes if ( nType === 3 || nType === 8 || nType === 2 ) { return; } // Fallback to prop when attributes are not supported if ( typeof elem.getAttribute === "undefined" ) { return jQuery.prop( elem, name, value ); } // Attribute hooks are determined by the lowercase version // Grab necessary hook if one is defined if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { hooks = jQuery.attrHooks[ name.toLowerCase() ] || ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined ); } if ( value !== undefined ) { if ( value === null ) { jQuery.removeAttr( elem, name ); return; } if ( hooks && "set" in hooks && ( ret = hooks.set( elem, value, name ) ) !== undefined ) { return ret; } elem.setAttribute( name, value + "" ); return value; } if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { return ret; } ret = jQuery.find.attr( elem, name ); // Non-existent attributes return null, we normalize to undefined return ret == null ? undefined : ret; }, attrHooks: { type: { set: function( elem, value ) { if ( !support.radioValue && value === "radio" && nodeName( elem, "input" ) ) { var val = elem.value; elem.setAttribute( "type", value ); if ( val ) { elem.value = val; } return value; } } } }, removeAttr: function( elem, value ) { var name, i = 0, // Attribute names can contain non-HTML whitespace characters // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2 attrNames = value && value.match( rnothtmlwhite ); if ( attrNames && elem.nodeType === 1 ) { while ( ( name = attrNames[ i++ ] ) ) { elem.removeAttribute( name ); } } } } ); // Hooks for boolean attributes boolHook = { set: function( elem, value, name ) { if ( value === false ) { // Remove boolean attributes when set to false jQuery.removeAttr( elem, name ); } else { elem.setAttribute( name, name ); } return name; } }; jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) { var getter = attrHandle[ name ] || jQuery.find.attr; attrHandle[ name ] = function( elem, name, isXML ) { var ret, handle, lowercaseName = name.toLowerCase(); if ( !isXML ) { // Avoid an infinite loop by temporarily removing this function from the getter handle = attrHandle[ lowercaseName ]; attrHandle[ lowercaseName ] = ret; ret = getter( elem, name, isXML ) != null ? lowercaseName : null; attrHandle[ lowercaseName ] = handle; } return ret; }; } ); var rfocusable = /^(?:input|select|textarea|button)$/i, rclickable = /^(?:a|area)$/i; jQuery.fn.extend( { prop: function( name, value ) { return access( this, jQuery.prop, name, value, arguments.length > 1 ); }, removeProp: function( name ) { return this.each( function() { delete this[ jQuery.propFix[ name ] || name ]; } ); } } ); jQuery.extend( { prop: function( elem, name, value ) { var ret, hooks, nType = elem.nodeType; // Don't get/set properties on text, comment and attribute nodes if ( nType === 3 || nType === 8 || nType === 2 ) { return; } if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { // Fix name and attach hooks name = jQuery.propFix[ name ] || name; hooks = jQuery.propHooks[ name ]; } if ( value !== undefined ) { if ( hooks && "set" in hooks && ( ret = hooks.set( elem, value, name ) ) !== undefined ) { return ret; } return ( elem[ name ] = value ); } if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { return ret; } return elem[ name ]; }, propHooks: { tabIndex: { get: function( elem ) { // Support: IE <=9 - 11 only // elem.tabIndex doesn't always return the // correct value when it hasn't been explicitly set // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ // Use proper attribute retrieval(#12072) var tabindex = jQuery.find.attr( elem, "tabindex" ); if ( tabindex ) { return parseInt( tabindex, 10 ); } if ( rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ) { return 0; } return -1; } } }, propFix: { "for": "htmlFor", "class": "className" } } ); // Support: IE <=11 only // Accessing the selectedIndex property // forces the browser to respect setting selected // on the option // The getter ensures a default option is selected // when in an optgroup // eslint rule "no-unused-expressions" is disabled for this code // since it considers such accessions noop if ( !support.optSelected ) { jQuery.propHooks.selected = { get: function( elem ) { /* eslint no-unused-expressions: "off" */ var parent = elem.parentNode; if ( parent && parent.parentNode ) { parent.parentNode.selectedIndex; } return null; }, set: function( elem ) { /* eslint no-unused-expressions: "off" */ var parent = elem.parentNode; if ( parent ) { parent.selectedIndex; if ( parent.parentNode ) { parent.parentNode.selectedIndex; } } } }; } jQuery.each( [ "tabIndex", "readOnly", "maxLength", "cellSpacing", "cellPadding", "rowSpan", "colSpan", "useMap", "frameBorder", "contentEditable" ], function() { jQuery.propFix[ this.toLowerCase() ] = this; } ); // Strip and collapse whitespace according to HTML spec // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace function stripAndCollapse( value ) { var tokens = value.match( rnothtmlwhite ) || []; return tokens.join( " " ); } function getClass( elem ) { return elem.getAttribute && elem.getAttribute( "class" ) || ""; } function classesToArray( value ) { if ( Array.isArray( value ) ) { return value; } if ( typeof value === "string" ) { return value.match( rnothtmlwhite ) || []; } return []; } jQuery.fn.extend( { addClass: function( value ) { var classes, elem, cur, curValue, clazz, j, finalValue, i = 0; if ( isFunction( value ) ) { return this.each( function( j ) { jQuery( this ).addClass( value.call( this, j, getClass( this ) ) ); } ); } classes = classesToArray( value ); if ( classes.length ) { while ( ( elem = this[ i++ ] ) ) { curValue = getClass( elem ); cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); if ( cur ) { j = 0; while ( ( clazz = classes[ j++ ] ) ) { if ( cur.indexOf( " " + clazz + " " ) < 0 ) { cur += clazz + " "; } } // Only assign if different to avoid unneeded rendering. finalValue = stripAndCollapse( cur ); if ( curValue !== finalValue ) { elem.setAttribute( "class", finalValue ); } } } } return this; }, removeClass: function( value ) { var classes, elem, cur, curValue, clazz, j, finalValue, i = 0; if ( isFunction( value ) ) { return this.each( function( j ) { jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) ); } ); } if ( !arguments.length ) { return this.attr( "class", "" ); } classes = classesToArray( value ); if ( classes.length ) { while ( ( elem = this[ i++ ] ) ) { curValue = getClass( elem ); // This expression is here for better compressibility (see addClass) cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); if ( cur ) { j = 0; while ( ( clazz = classes[ j++ ] ) ) { // Remove *all* instances while ( cur.indexOf( " " + clazz + " " ) > -1 ) { cur = cur.replace( " " + clazz + " ", " " ); } } // Only assign if different to avoid unneeded rendering. finalValue = stripAndCollapse( cur ); if ( curValue !== finalValue ) { elem.setAttribute( "class", finalValue ); } } } } return this; }, toggleClass: function( value, stateVal ) { var type = typeof value, isValidValue = type === "string" || Array.isArray( value ); if ( typeof stateVal === "boolean" && isValidValue ) { return stateVal ? this.addClass( value ) : this.removeClass( value ); } if ( isFunction( value ) ) { return this.each( function( i ) { jQuery( this ).toggleClass( value.call( this, i, getClass( this ), stateVal ), stateVal ); } ); } return this.each( function() { var className, i, self, classNames; if ( isValidValue ) { // Toggle individual class names i = 0; self = jQuery( this ); classNames = classesToArray( value ); while ( ( className = classNames[ i++ ] ) ) { // Check each className given, space separated list if ( self.hasClass( className ) ) { self.removeClass( className ); } else { self.addClass( className ); } } // Toggle whole class name } else if ( value === undefined || type === "boolean" ) { className = getClass( this ); if ( className ) { // Store className if set dataPriv.set( this, "__className__", className ); } // If the element has a class name or if we're passed `false`, // then remove the whole classname (if there was one, the above saved it). // Otherwise bring back whatever was previously saved (if anything), // falling back to the empty string if nothing was stored. if ( this.setAttribute ) { this.setAttribute( "class", className || value === false ? "" : dataPriv.get( this, "__className__" ) || "" ); } } } ); }, hasClass: function( selector ) { var className, elem, i = 0; className = " " + selector + " "; while ( ( elem = this[ i++ ] ) ) { if ( elem.nodeType === 1 && ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) { return true; } } return false; } } ); var rreturn = /\r/g; jQuery.fn.extend( { val: function( value ) { var hooks, ret, valueIsFunction, elem = this[ 0 ]; if ( !arguments.length ) { if ( elem ) { hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ]; if ( hooks && "get" in hooks && ( ret = hooks.get( elem, "value" ) ) !== undefined ) { return ret; } ret = elem.value; // Handle most common string cases if ( typeof ret === "string" ) { return ret.replace( rreturn, "" ); } // Handle cases where value is null/undef or number return ret == null ? "" : ret; } return; } valueIsFunction = isFunction( value ); return this.each( function( i ) { var val; if ( this.nodeType !== 1 ) { return; } if ( valueIsFunction ) { val = value.call( this, i, jQuery( this ).val() ); } else { val = value; } // Treat null/undefined as ""; convert numbers to string if ( val == null ) { val = ""; } else if ( typeof val === "number" ) { val += ""; } else if ( Array.isArray( val ) ) { val = jQuery.map( val, function( value ) { return value == null ? "" : value + ""; } ); } hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ]; // If set returns undefined, fall back to normal setting if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) { this.value = val; } } ); } } ); jQuery.extend( { valHooks: { option: { get: function( elem ) { var val = jQuery.find.attr( elem, "value" ); return val != null ? val : // Support: IE <=10 - 11 only // option.text throws exceptions (#14686, #14858) // Strip and collapse whitespace // https://html.spec.whatwg.org/#strip-and-collapse-whitespace stripAndCollapse( jQuery.text( elem ) ); } }, select: { get: function( elem ) { var value, option, i, options = elem.options, index = elem.selectedIndex, one = elem.type === "select-one", values = one ? null : [], max = one ? index + 1 : options.length; if ( index < 0 ) { i = max; } else { i = one ? index : 0; } // Loop through all the selected options for ( ; i < max; i++ ) { option = options[ i ]; // Support: IE <=9 only // IE8-9 doesn't update selected after form reset (#2551) if ( ( option.selected || i === index ) && // Don't return options that are disabled or in a disabled optgroup !option.disabled && ( !option.parentNode.disabled || !nodeName( option.parentNode, "optgroup" ) ) ) { // Get the specific value for the option value = jQuery( option ).val(); // We don't need an array for one selects if ( one ) { return value; } // Multi-Selects return an array values.push( value ); } } return values; }, set: function( elem, value ) { var optionSet, option, options = elem.options, values = jQuery.makeArray( value ), i = options.length; while ( i-- ) { option = options[ i ]; /* eslint-disable no-cond-assign */ if ( option.selected = jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1 ) { optionSet = true; } /* eslint-enable no-cond-assign */ } // Force browsers to behave consistently when non-matching value is set if ( !optionSet ) { elem.selectedIndex = -1; } return values; } } } } ); // Radios and checkboxes getter/setter jQuery.each( [ "radio", "checkbox" ], function() { jQuery.valHooks[ this ] = { set: function( elem, value ) { if ( Array.isArray( value ) ) { return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 ); } } }; if ( !support.checkOn ) { jQuery.valHooks[ this ].get = function( elem ) { return elem.getAttribute( "value" ) === null ? "on" : elem.value; }; } } ); // Return jQuery for attributes-only inclusion support.focusin = "onfocusin" in window; var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, stopPropagationCallback = function( e ) { e.stopPropagation(); }; jQuery.extend( jQuery.event, { trigger: function( event, data, elem, onlyHandlers ) { var i, cur, tmp, bubbleType, ontype, handle, special, lastElement, eventPath = [ elem || document ], type = hasOwn.call( event, "type" ) ? event.type : event, namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : []; cur = lastElement = tmp = elem = elem || document; // Don't do events on text and comment nodes if ( elem.nodeType === 3 || elem.nodeType === 8 ) { return; } // focus/blur morphs to focusin/out; ensure we're not firing them right now if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { return; } if ( type.indexOf( "." ) > -1 ) { // Namespaced trigger; create a regexp to match event type in handle() namespaces = type.split( "." ); type = namespaces.shift(); namespaces.sort(); } ontype = type.indexOf( ":" ) < 0 && "on" + type; // Caller can pass in a jQuery.Event object, Object, or just an event type string event = event[ jQuery.expando ] ? event : new jQuery.Event( type, typeof event === "object" && event ); // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) event.isTrigger = onlyHandlers ? 2 : 3; event.namespace = namespaces.join( "." ); event.rnamespace = event.namespace ? new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) : null; // Clean up the event in case it is being reused event.result = undefined; if ( !event.target ) { event.target = elem; } // Clone any incoming data and prepend the event, creating the handler arg list data = data == null ? [ event ] : jQuery.makeArray( data, [ event ] ); // Allow special events to draw outside the lines special = jQuery.event.special[ type ] || {}; if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { return; } // Determine event propagation path in advance, per W3C events spec (#9951) // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) { bubbleType = special.delegateType || type; if ( !rfocusMorph.test( bubbleType + type ) ) { cur = cur.parentNode; } for ( ; cur; cur = cur.parentNode ) { eventPath.push( cur ); tmp = cur; } // Only add window if we got to document (e.g., not plain obj or detached DOM) if ( tmp === ( elem.ownerDocument || document ) ) { eventPath.push( tmp.defaultView || tmp.parentWindow || window ); } } // Fire handlers on the event path i = 0; while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) { lastElement = cur; event.type = i > 1 ? bubbleType : special.bindType || type; // jQuery handler handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] && dataPriv.get( cur, "handle" ); if ( handle ) { handle.apply( cur, data ); } // Native handler handle = ontype && cur[ ontype ]; if ( handle && handle.apply && acceptData( cur ) ) { event.result = handle.apply( cur, data ); if ( event.result === false ) { event.preventDefault(); } } } event.type = type; // If nobody prevented the default action, do it now if ( !onlyHandlers && !event.isDefaultPrevented() ) { if ( ( !special._default || special._default.apply( eventPath.pop(), data ) === false ) && acceptData( elem ) ) { // Call a native DOM method on the target with the same name as the event. // Don't do default actions on window, that's where global variables be (#6170) if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) { // Don't re-trigger an onFOO event when we call its FOO() method tmp = elem[ ontype ]; if ( tmp ) { elem[ ontype ] = null; } // Prevent re-triggering of the same event, since we already bubbled it above jQuery.event.triggered = type; if ( event.isPropagationStopped() ) { lastElement.addEventListener( type, stopPropagationCallback ); } elem[ type ](); if ( event.isPropagationStopped() ) { lastElement.removeEventListener( type, stopPropagationCallback ); } jQuery.event.triggered = undefined; if ( tmp ) { elem[ ontype ] = tmp; } } } } return event.result; }, // Piggyback on a donor event to simulate a different one // Used only for `focus(in | out)` events simulate: function( type, elem, event ) { var e = jQuery.extend( new jQuery.Event(), event, { type: type, isSimulated: true } ); jQuery.event.trigger( e, null, elem ); } } ); jQuery.fn.extend( { trigger: function( type, data ) { return this.each( function() { jQuery.event.trigger( type, data, this ); } ); }, triggerHandler: function( type, data ) { var elem = this[ 0 ]; if ( elem ) { return jQuery.event.trigger( type, data, elem, true ); } } } ); // Support: Firefox <=44 // Firefox doesn't have focus(in | out) events // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787 // // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1 // focus(in | out) events fire after focus & blur events, // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857 if ( !support.focusin ) { jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) { // Attach a single capturing handler on the document while someone wants focusin/focusout var handler = function( event ) { jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) ); }; jQuery.event.special[ fix ] = { setup: function() { var doc = this.ownerDocument || this, attaches = dataPriv.access( doc, fix ); if ( !attaches ) { doc.addEventListener( orig, handler, true ); } dataPriv.access( doc, fix, ( attaches || 0 ) + 1 ); }, teardown: function() { var doc = this.ownerDocument || this, attaches = dataPriv.access( doc, fix ) - 1; if ( !attaches ) { doc.removeEventListener( orig, handler, true ); dataPriv.remove( doc, fix ); } else { dataPriv.access( doc, fix, attaches ); } } }; } ); } var location = window.location; var nonce = Date.now(); var rquery = ( /\?/ ); // Cross-browser xml parsing jQuery.parseXML = function( data ) { var xml; if ( !data || typeof data !== "string" ) { return null; } // Support: IE 9 - 11 only // IE throws on parseFromString with invalid input. try { xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" ); } catch ( e ) { xml = undefined; } if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) { jQuery.error( "Invalid XML: " + data ); } return xml; }; var rbracket = /\[\]$/, rCRLF = /\r?\n/g, rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i, rsubmittable = /^(?:input|select|textarea|keygen)/i; function buildParams( prefix, obj, traditional, add ) { var name; if ( Array.isArray( obj ) ) { // Serialize array item. jQuery.each( obj, function( i, v ) { if ( traditional || rbracket.test( prefix ) ) { // Treat each array item as a scalar. add( prefix, v ); } else { // Item is non-scalar (array or object), encode its numeric index. buildParams( prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]", v, traditional, add ); } } ); } else if ( !traditional && toType( obj ) === "object" ) { // Serialize object item. for ( name in obj ) { buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); } } else { // Serialize scalar item. add( prefix, obj ); } } // Serialize an array of form elements or a set of // key/values into a query string jQuery.param = function( a, traditional ) { var prefix, s = [], add = function( key, valueOrFunction ) { // If value is a function, invoke it and use its return value var value = isFunction( valueOrFunction ) ? valueOrFunction() : valueOrFunction; s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value == null ? "" : value ); }; // If an array was passed in, assume that it is an array of form elements. if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) { // Serialize the form elements jQuery.each( a, function() { add( this.name, this.value ); } ); } else { // If traditional, encode the "old" way (the way 1.3.2 or older // did it), otherwise encode params recursively. for ( prefix in a ) { buildParams( prefix, a[ prefix ], traditional, add ); } } // Return the resulting serialization return s.join( "&" ); }; jQuery.fn.extend( { serialize: function() { return jQuery.param( this.serializeArray() ); }, serializeArray: function() { return this.map( function() { // Can add propHook for "elements" to filter or add form elements var elements = jQuery.prop( this, "elements" ); return elements ? jQuery.makeArray( elements ) : this; } ) .filter( function() { var type = this.type; // Use .is( ":disabled" ) so that fieldset[disabled] works return this.name && !jQuery( this ).is( ":disabled" ) && rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && ( this.checked || !rcheckableType.test( type ) ); } ) .map( function( i, elem ) { var val = jQuery( this ).val(); if ( val == null ) { return null; } if ( Array.isArray( val ) ) { return jQuery.map( val, function( val ) { return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; } ); } return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; } ).get(); } } ); var r20 = /%20/g, rhash = /#.*$/, rantiCache = /([?&])_=[^&]*/, rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg, // #7653, #8125, #8152: local protocol detection rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/, rnoContent = /^(?:GET|HEAD)$/, rprotocol = /^\/\//, /* Prefilters * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) * 2) These are called: * - BEFORE asking for a transport * - AFTER param serialization (s.data is a string if s.processData is true) * 3) key is the dataType * 4) the catchall symbol "*" can be used * 5) execution will start with transport dataType and THEN continue down to "*" if needed */ prefilters = {}, /* Transports bindings * 1) key is the dataType * 2) the catchall symbol "*" can be used * 3) selection will start with transport dataType and THEN go to "*" if needed */ transports = {}, // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression allTypes = "*/".concat( "*" ), // Anchor tag for parsing the document origin originAnchor = document.createElement( "a" ); originAnchor.href = location.href; // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport function addToPrefiltersOrTransports( structure ) { // dataTypeExpression is optional and defaults to "*" return function( dataTypeExpression, func ) { if ( typeof dataTypeExpression !== "string" ) { func = dataTypeExpression; dataTypeExpression = "*"; } var dataType, i = 0, dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || []; if ( isFunction( func ) ) { // For each dataType in the dataTypeExpression while ( ( dataType = dataTypes[ i++ ] ) ) { // Prepend if requested if ( dataType[ 0 ] === "+" ) { dataType = dataType.slice( 1 ) || "*"; ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func ); // Otherwise append } else { ( structure[ dataType ] = structure[ dataType ] || [] ).push( func ); } } } }; } // Base inspection function for prefilters and transports function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) { var inspected = {}, seekingTransport = ( structure === transports ); function inspect( dataType ) { var selected; inspected[ dataType ] = true; jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) { var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR ); if ( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) { options.dataTypes.unshift( dataTypeOrTransport ); inspect( dataTypeOrTransport ); return false; } else if ( seekingTransport ) { return !( selected = dataTypeOrTransport ); } } ); return selected; } return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" ); } // A special extend for ajax options // that takes "flat" options (not to be deep extended) // Fixes #9887 function ajaxExtend( target, src ) { var key, deep, flatOptions = jQuery.ajaxSettings.flatOptions || {}; for ( key in src ) { if ( src[ key ] !== undefined ) { ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ]; } } if ( deep ) { jQuery.extend( true, target, deep ); } return target; } /* Handles responses to an ajax request: * - finds the right dataType (mediates between content-type and expected dataType) * - returns the corresponding response */ function ajaxHandleResponses( s, jqXHR, responses ) { var ct, type, finalDataType, firstDataType, contents = s.contents, dataTypes = s.dataTypes; // Remove auto dataType and get content-type in the process while ( dataTypes[ 0 ] === "*" ) { dataTypes.shift(); if ( ct === undefined ) { ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" ); } } // Check if we're dealing with a known content-type if ( ct ) { for ( type in contents ) { if ( contents[ type ] && contents[ type ].test( ct ) ) { dataTypes.unshift( type ); break; } } } // Check to see if we have a response for the expected dataType if ( dataTypes[ 0 ] in responses ) { finalDataType = dataTypes[ 0 ]; } else { // Try convertible dataTypes for ( type in responses ) { if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) { finalDataType = type; break; } if ( !firstDataType ) { firstDataType = type; } } // Or just use first one finalDataType = finalDataType || firstDataType; } // If we found a dataType // We add the dataType to the list if needed // and return the corresponding response if ( finalDataType ) { if ( finalDataType !== dataTypes[ 0 ] ) { dataTypes.unshift( finalDataType ); } return responses[ finalDataType ]; } } /* Chain conversions given the request and the original response * Also sets the responseXXX fields on the jqXHR instance */ function ajaxConvert( s, response, jqXHR, isSuccess ) { var conv2, current, conv, tmp, prev, converters = {}, // Work with a copy of dataTypes in case we need to modify it for conversion dataTypes = s.dataTypes.slice(); // Create converters map with lowercased keys if ( dataTypes[ 1 ] ) { for ( conv in s.converters ) { converters[ conv.toLowerCase() ] = s.converters[ conv ]; } } current = dataTypes.shift(); // Convert to each sequential dataType while ( current ) { if ( s.responseFields[ current ] ) { jqXHR[ s.responseFields[ current ] ] = response; } // Apply the dataFilter if provided if ( !prev && isSuccess && s.dataFilter ) { response = s.dataFilter( response, s.dataType ); } prev = current; current = dataTypes.shift(); if ( current ) { // There's only work to do if current dataType is non-auto if ( current === "*" ) { current = prev; // Convert response if prev dataType is non-auto and differs from current } else if ( prev !== "*" && prev !== current ) { // Seek a direct converter conv = converters[ prev + " " + current ] || converters[ "* " + current ]; // If none found, seek a pair if ( !conv ) { for ( conv2 in converters ) { // If conv2 outputs current tmp = conv2.split( " " ); if ( tmp[ 1 ] === current ) { // If prev can be converted to accepted input conv = converters[ prev + " " + tmp[ 0 ] ] || converters[ "* " + tmp[ 0 ] ]; if ( conv ) { // Condense equivalence converters if ( conv === true ) { conv = converters[ conv2 ]; // Otherwise, insert the intermediate dataType } else if ( converters[ conv2 ] !== true ) { current = tmp[ 0 ]; dataTypes.unshift( tmp[ 1 ] ); } break; } } } } // Apply converter (if not an equivalence) if ( conv !== true ) { // Unless errors are allowed to bubble, catch and return them if ( conv && s.throws ) { response = conv( response ); } else { try { response = conv( response ); } catch ( e ) { return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current }; } } } } } } return { state: "success", data: response }; } jQuery.extend( { // Counter for holding the number of active queries active: 0, // Last-Modified header cache for next request lastModified: {}, etag: {}, ajaxSettings: { url: location.href, type: "GET", isLocal: rlocalProtocol.test( location.protocol ), global: true, processData: true, async: true, contentType: "application/x-www-form-urlencoded; charset=UTF-8", /* timeout: 0, data: null, dataType: null, username: null, password: null, cache: null, throws: false, traditional: false, headers: {}, */ accepts: { "*": allTypes, text: "text/plain", html: "text/html", xml: "application/xml, text/xml", json: "application/json, text/javascript" }, contents: { xml: /\bxml\b/, html: /\bhtml/, json: /\bjson\b/ }, responseFields: { xml: "responseXML", text: "responseText", json: "responseJSON" }, // Data converters // Keys separate source (or catchall "*") and destination types with a single space converters: { // Convert anything to text "* text": String, // Text to html (true = no transformation) "text html": true, // Evaluate text as a json expression "text json": JSON.parse, // Parse text as xml "text xml": jQuery.parseXML }, // For options that shouldn't be deep extended: // you can add your own custom options here if // and when you create one that shouldn't be // deep extended (see ajaxExtend) flatOptions: { url: true, context: true } }, // Creates a full fledged settings object into target // with both ajaxSettings and settings fields. // If target is omitted, writes into ajaxSettings. ajaxSetup: function( target, settings ) { return settings ? // Building a settings object ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) : // Extending ajaxSettings ajaxExtend( jQuery.ajaxSettings, target ); }, ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), ajaxTransport: addToPrefiltersOrTransports( transports ), // Main method ajax: function( url, options ) { // If url is an object, simulate pre-1.5 signature if ( typeof url === "object" ) { options = url; url = undefined; } // Force options to be an object options = options || {}; var transport, // URL without anti-cache param cacheURL, // Response headers responseHeadersString, responseHeaders, // timeout handle timeoutTimer, // Url cleanup var urlAnchor, // Request state (becomes false upon send and true upon completion) completed, // To know if global events are to be dispatched fireGlobals, // Loop variable i, // uncached part of the url uncached, // Create the final options object s = jQuery.ajaxSetup( {}, options ), // Callbacks context callbackContext = s.context || s, // Context for global events is callbackContext if it is a DOM node or jQuery collection globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ? jQuery( callbackContext ) : jQuery.event, // Deferreds deferred = jQuery.Deferred(), completeDeferred = jQuery.Callbacks( "once memory" ), // Status-dependent callbacks statusCode = s.statusCode || {}, // Headers (they are sent all at once) requestHeaders = {}, requestHeadersNames = {}, // Default abort message strAbort = "canceled", // Fake xhr jqXHR = { readyState: 0, // Builds headers hashtable if needed getResponseHeader: function( key ) { var match; if ( completed ) { if ( !responseHeaders ) { responseHeaders = {}; while ( ( match = rheaders.exec( responseHeadersString ) ) ) { responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ]; } } match = responseHeaders[ key.toLowerCase() ]; } return match == null ? null : match; }, // Raw string getAllResponseHeaders: function() { return completed ? responseHeadersString : null; }, // Caches the header setRequestHeader: function( name, value ) { if ( completed == null ) { name = requestHeadersNames[ name.toLowerCase() ] = requestHeadersNames[ name.toLowerCase() ] || name; requestHeaders[ name ] = value; } return this; }, // Overrides response content-type header overrideMimeType: function( type ) { if ( completed == null ) { s.mimeType = type; } return this; }, // Status-dependent callbacks statusCode: function( map ) { var code; if ( map ) { if ( completed ) { // Execute the appropriate callbacks jqXHR.always( map[ jqXHR.status ] ); } else { // Lazy-add the new callbacks in a way that preserves old ones for ( code in map ) { statusCode[ code ] = [ statusCode[ code ], map[ code ] ]; } } } return this; }, // Cancel the request abort: function( statusText ) { var finalText = statusText || strAbort; if ( transport ) { transport.abort( finalText ); } done( 0, finalText ); return this; } }; // Attach deferreds deferred.promise( jqXHR ); // Add protocol if not provided (prefilters might expect it) // Handle falsy url in the settings object (#10093: consistency with old signature) // We also use the url parameter if available s.url = ( ( url || s.url || location.href ) + "" ) .replace( rprotocol, location.protocol + "//" ); // Alias method option to type as per ticket #12004 s.type = options.method || options.type || s.method || s.type; // Extract dataTypes list s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ]; // A cross-domain request is in order when the origin doesn't match the current origin. if ( s.crossDomain == null ) { urlAnchor = document.createElement( "a" ); // Support: IE <=8 - 11, Edge 12 - 15 // IE throws exception on accessing the href property if url is malformed, // e.g. http://example.com:80x/ try { urlAnchor.href = s.url; // Support: IE <=8 - 11 only // Anchor's host property isn't correctly set when s.url is relative urlAnchor.href = urlAnchor.href; s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !== urlAnchor.protocol + "//" + urlAnchor.host; } catch ( e ) { // If there is an error parsing the URL, assume it is crossDomain, // it can be rejected by the transport if it is invalid s.crossDomain = true; } } // Convert data if not already a string if ( s.data && s.processData && typeof s.data !== "string" ) { s.data = jQuery.param( s.data, s.traditional ); } // Apply prefilters inspectPrefiltersOrTransports( prefilters, s, options, jqXHR ); // If request was aborted inside a prefilter, stop there if ( completed ) { return jqXHR; } // We can fire global events as of now if asked to // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118) fireGlobals = jQuery.event && s.global; // Watch for a new set of requests if ( fireGlobals && jQuery.active++ === 0 ) { jQuery.event.trigger( "ajaxStart" ); } // Uppercase the type s.type = s.type.toUpperCase(); // Determine if request has content s.hasContent = !rnoContent.test( s.type ); // Save the URL in case we're toying with the If-Modified-Since // and/or If-None-Match header later on // Remove hash to simplify url manipulation cacheURL = s.url.replace( rhash, "" ); // More options handling for requests with no content if ( !s.hasContent ) { // Remember the hash so we can put it back uncached = s.url.slice( cacheURL.length ); // If data is available and should be processed, append data to url if ( s.data && ( s.processData || typeof s.data === "string" ) ) { cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data; // #9682: remove data so that it's not used in an eventual retry delete s.data; } // Add or update anti-cache param if needed if ( s.cache === false ) { cacheURL = cacheURL.replace( rantiCache, "$1" ); uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached; } // Put hash and anti-cache on the URL that will be requested (gh-1732) s.url = cacheURL + uncached; // Change '%20' to '+' if this is encoded form body content (gh-2658) } else if ( s.data && s.processData && ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) { s.data = s.data.replace( r20, "+" ); } // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { if ( jQuery.lastModified[ cacheURL ] ) { jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); } if ( jQuery.etag[ cacheURL ] ) { jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); } } // Set the correct header, if data is being sent if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { jqXHR.setRequestHeader( "Content-Type", s.contentType ); } // Set the Accepts header for the server, depending on the dataType jqXHR.setRequestHeader( "Accept", s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ? s.accepts[ s.dataTypes[ 0 ] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : s.accepts[ "*" ] ); // Check for headers option for ( i in s.headers ) { jqXHR.setRequestHeader( i, s.headers[ i ] ); } // Allow custom headers/mimetypes and early abort if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) { // Abort if not done already and return return jqXHR.abort(); } // Aborting is no longer a cancellation strAbort = "abort"; // Install callbacks on deferreds completeDeferred.add( s.complete ); jqXHR.done( s.success ); jqXHR.fail( s.error ); // Get transport transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR ); // If no transport, we auto-abort if ( !transport ) { done( -1, "No Transport" ); } else { jqXHR.readyState = 1; // Send global event if ( fireGlobals ) { globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); } // If request was aborted inside ajaxSend, stop there if ( completed ) { return jqXHR; } // Timeout if ( s.async && s.timeout > 0 ) { timeoutTimer = window.setTimeout( function() { jqXHR.abort( "timeout" ); }, s.timeout ); } try { completed = false; transport.send( requestHeaders, done ); } catch ( e ) { // Rethrow post-completion exceptions if ( completed ) { throw e; } // Propagate others as results done( -1, e ); } } // Callback for when everything is done function done( status, nativeStatusText, responses, headers ) { var isSuccess, success, error, response, modified, statusText = nativeStatusText; // Ignore repeat invocations if ( completed ) { return; } completed = true; // Clear timeout if it exists if ( timeoutTimer ) { window.clearTimeout( timeoutTimer ); } // Dereference transport for early garbage collection // (no matter how long the jqXHR object will be used) transport = undefined; // Cache response headers responseHeadersString = headers || ""; // Set readyState jqXHR.readyState = status > 0 ? 4 : 0; // Determine if successful isSuccess = status >= 200 && status < 300 || status === 304; // Get response data if ( responses ) { response = ajaxHandleResponses( s, jqXHR, responses ); } // Convert no matter what (that way responseXXX fields are always set) response = ajaxConvert( s, response, jqXHR, isSuccess ); // If successful, handle type chaining if ( isSuccess ) { // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { modified = jqXHR.getResponseHeader( "Last-Modified" ); if ( modified ) { jQuery.lastModified[ cacheURL ] = modified; } modified = jqXHR.getResponseHeader( "etag" ); if ( modified ) { jQuery.etag[ cacheURL ] = modified; } } // if no content if ( status === 204 || s.type === "HEAD" ) { statusText = "nocontent"; // if not modified } else if ( status === 304 ) { statusText = "notmodified"; // If we have data, let's convert it } else { statusText = response.state; success = response.data; error = response.error; isSuccess = !error; } } else { // Extract error from statusText and normalize for non-aborts error = statusText; if ( status || !statusText ) { statusText = "error"; if ( status < 0 ) { status = 0; } } } // Set data for the fake xhr object jqXHR.status = status; jqXHR.statusText = ( nativeStatusText || statusText ) + ""; // Success/Error if ( isSuccess ) { deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); } else { deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); } // Status-dependent callbacks jqXHR.statusCode( statusCode ); statusCode = undefined; if ( fireGlobals ) { globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError", [ jqXHR, s, isSuccess ? success : error ] ); } // Complete completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] ); if ( fireGlobals ) { globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] ); // Handle the global AJAX counter if ( !( --jQuery.active ) ) { jQuery.event.trigger( "ajaxStop" ); } } } return jqXHR; }, getJSON: function( url, data, callback ) { return jQuery.get( url, data, callback, "json" ); }, getScript: function( url, callback ) { return jQuery.get( url, undefined, callback, "script" ); } } ); jQuery.each( [ "get", "post" ], function( i, method ) { jQuery[ method ] = function( url, data, callback, type ) { // Shift arguments if data argument was omitted if ( isFunction( data ) ) { type = type || callback; callback = data; data = undefined; } // The url can be an options object (which then must have .url) return jQuery.ajax( jQuery.extend( { url: url, type: method, dataType: type, data: data, success: callback }, jQuery.isPlainObject( url ) && url ) ); }; } ); jQuery._evalUrl = function( url ) { return jQuery.ajax( { url: url, // Make this explicit, since user can override this through ajaxSetup (#11264) type: "GET", dataType: "script", cache: true, async: false, global: false, "throws": true } ); }; jQuery.fn.extend( { wrapAll: function( html ) { var wrap; if ( this[ 0 ] ) { if ( isFunction( html ) ) { html = html.call( this[ 0 ] ); } // The elements to wrap the target around wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true ); if ( this[ 0 ].parentNode ) { wrap.insertBefore( this[ 0 ] ); } wrap.map( function() { var elem = this; while ( elem.firstElementChild ) { elem = elem.firstElementChild; } return elem; } ).append( this ); } return this; }, wrapInner: function( html ) { if ( isFunction( html ) ) { return this.each( function( i ) { jQuery( this ).wrapInner( html.call( this, i ) ); } ); } return this.each( function() { var self = jQuery( this ), contents = self.contents(); if ( contents.length ) { contents.wrapAll( html ); } else { self.append( html ); } } ); }, wrap: function( html ) { var htmlIsFunction = isFunction( html ); return this.each( function( i ) { jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html ); } ); }, unwrap: function( selector ) { this.parent( selector ).not( "body" ).each( function() { jQuery( this ).replaceWith( this.childNodes ); } ); return this; } } ); jQuery.expr.pseudos.hidden = function( elem ) { return !jQuery.expr.pseudos.visible( elem ); }; jQuery.expr.pseudos.visible = function( elem ) { return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length ); }; jQuery.ajaxSettings.xhr = function() { try { return new window.XMLHttpRequest(); } catch ( e ) {} }; var xhrSuccessStatus = { // File protocol always yields status code 0, assume 200 0: 200, // Support: IE <=9 only // #1450: sometimes IE returns 1223 when it should be 204 1223: 204 }, xhrSupported = jQuery.ajaxSettings.xhr(); support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); support.ajax = xhrSupported = !!xhrSupported; jQuery.ajaxTransport( function( options ) { var callback, errorCallback; // Cross domain only allowed if supported through XMLHttpRequest if ( support.cors || xhrSupported && !options.crossDomain ) { return { send: function( headers, complete ) { var i, xhr = options.xhr(); xhr.open( options.type, options.url, options.async, options.username, options.password ); // Apply custom fields if provided if ( options.xhrFields ) { for ( i in options.xhrFields ) { xhr[ i ] = options.xhrFields[ i ]; } } // Override mime type if needed if ( options.mimeType && xhr.overrideMimeType ) { xhr.overrideMimeType( options.mimeType ); } // X-Requested-With header // For cross-domain requests, seeing as conditions for a preflight are // akin to a jigsaw puzzle, we simply never set it to be sure. // (it can always be set on a per-request basis or even using ajaxSetup) // For same-domain requests, won't change header if already provided. if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) { headers[ "X-Requested-With" ] = "XMLHttpRequest"; } // Set headers for ( i in headers ) { xhr.setRequestHeader( i, headers[ i ] ); } // Callback callback = function( type ) { return function() { if ( callback ) { callback = errorCallback = xhr.onload = xhr.onerror = xhr.onabort = xhr.ontimeout = xhr.onreadystatechange = null; if ( type === "abort" ) { xhr.abort(); } else if ( type === "error" ) { // Support: IE <=9 only // On a manual native abort, IE9 throws // errors on any property access that is not readyState if ( typeof xhr.status !== "number" ) { complete( 0, "error" ); } else { complete( // File: protocol always yields status 0; see #8605, #14207 xhr.status, xhr.statusText ); } } else { complete( xhrSuccessStatus[ xhr.status ] || xhr.status, xhr.statusText, // Support: IE <=9 only // IE9 has no XHR2 but throws on binary (trac-11426) // For XHR2 non-text, let the caller handle it (gh-2498) ( xhr.responseType || "text" ) !== "text" || typeof xhr.responseText !== "string" ? { binary: xhr.response } : { text: xhr.responseText }, xhr.getAllResponseHeaders() ); } } }; }; // Listen to events xhr.onload = callback(); errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" ); // Support: IE 9 only // Use onreadystatechange to replace onabort // to handle uncaught aborts if ( xhr.onabort !== undefined ) { xhr.onabort = errorCallback; } else { xhr.onreadystatechange = function() { // Check readyState before timeout as it changes if ( xhr.readyState === 4 ) { // Allow onerror to be called first, // but that will not handle a native abort // Also, save errorCallback to a variable // as xhr.onerror cannot be accessed window.setTimeout( function() { if ( callback ) { errorCallback(); } } ); } }; } // Create the abort callback callback = callback( "abort" ); try { // Do send the request (this may raise an exception) xhr.send( options.hasContent && options.data || null ); } catch ( e ) { // #14683: Only rethrow if this hasn't been notified as an error yet if ( callback ) { throw e; } } }, abort: function() { if ( callback ) { callback(); } } }; } } ); // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432) jQuery.ajaxPrefilter( function( s ) { if ( s.crossDomain ) { s.contents.script = false; } } ); // Install script dataType jQuery.ajaxSetup( { accepts: { script: "text/javascript, application/javascript, " + "application/ecmascript, application/x-ecmascript" }, contents: { script: /\b(?:java|ecma)script\b/ }, converters: { "text script": function( text ) { jQuery.globalEval( text ); return text; } } } ); // Handle cache's special case and crossDomain jQuery.ajaxPrefilter( "script", function( s ) { if ( s.cache === undefined ) { s.cache = false; } if ( s.crossDomain ) { s.type = "GET"; } } ); // Bind script tag hack transport jQuery.ajaxTransport( "script", function( s ) { // This transport only deals with cross domain requests if ( s.crossDomain ) { var script, callback; return { send: function( _, complete ) { script = jQuery( "