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<div class="section" id="netscript-loops-and-conditionals">
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<h1>Netscript Loops and Conditionals<a class="headerlink" href="#netscript-loops-and-conditionals" title="Permalink to this headline">¶</a></h1>
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<div class="section" id="loops-and-conditionals">
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<h2>Loops and Conditionals<a class="headerlink" href="#loops-and-conditionals" title="Permalink to this headline">¶</a></h2>
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<p>Netscript loops and conditionals are the same as Javascript. However, the one caveat is that when declaring variables such as the
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iterator for traversing a loop, you should not use the 'var' or 'let' keyword. For reference, you can see the Javascript
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documentation for loops/conditionals here:</p>
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<p><a class="reference external" href="https://www.w3schools.com/js/js_loop_while.asp">While loops</a></p>
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<p><a class="reference external" href="https://www.w3schools.com/js/js_loop_for.asp">For loops</a></p>
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<p><a class="reference external" href="https://www.w3schools.com/js/js_if_else.asp">Conditionals (If/Else statements)</a></p>
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<p>Here are some simple code examples that show the use of loops and conditionals in Netscript.</p>
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<p>The following is a while loop that runs the hack() Netscript function ten times:</p>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
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<span class="k">while</span> <span class="p">(</span><span class="n">i</span> <span class="o"><</span> <span class="mi">10</span><span class="p">)</span> <span class="p">{</span>
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<span class="n">hack</span><span class="p">(</span><span class="s1">'foodnstuff'</span><span class="p">);</span>
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<span class="n">i</span> <span class="o">=</span> <span class="n">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">;</span>
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<span class="p">}</span>
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</pre></div>
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</div>
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<p>The following is a for loop that runs the hack() Netscript function ten times:</p>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="k">for</span> <span class="p">(</span><span class="n">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="n">i</span> <span class="o"><</span> <span class="mi">10</span><span class="p">;</span> <span class="o">++</span><span class="n">i</span><span class="p">)</span> <span class="p">{</span>
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<span class="n">hack</span><span class="p">(</span><span class="s2">"foodnstuff"</span><span class="p">);</span>
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<span class="p">}</span>
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</pre></div>
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</div>
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<p>The following is a conditional that uses the getServerMoneyAvailable() Netscript function to check how much money
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exists on the 'foodnstuff' server. If there is more than $200,000 on the server, then the server will be hacked.
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Otherwise, the money available on the server will be grown using the grow() Netscript function:</p>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="n">getServerMoneyAvailable</span><span class="p">(</span><span class="s1">'foodnstuff'</span><span class="p">)</span> <span class="o">></span> <span class="mi">200000</span><span class="p">)</span> <span class="p">{</span>
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<span class="n">hack</span><span class="p">(</span><span class="s2">"foodnstuff"</span><span class="p">);</span>
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<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
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<span class="n">grow</span><span class="p">(</span><span class="s2">"foodnstuff"</span><span class="p">);</span>
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<span class="p">}</span>
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</pre></div>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="sidebar">
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<h3>Table Of Contents</h3>
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<p class="caption"><span class="caption-text">Contents:</span></p>
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<ul class="current">
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<li class="toctree-l1 current"><a class="reference internal" href="netscript.html"> Netscript</a><ul class="current">
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<li class="toctree-l2"><a class="reference internal" href="netscriptdatatypes.html"> Data Types and Variables</a></li>
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<li class="toctree-l2"><a class="reference internal" href="netscriptoperators.html"> Operators</a></li>
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<li class="toctree-l2 current"><a class="current reference internal" href="#"> Loops and Conditionals</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="#loops-and-conditionals">Loops and Conditionals</a></li>
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</ul>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="netscriptscriptarguments.html"> Script Arguments</a></li>
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<li class="toctree-l2"><a class="reference internal" href="netscriptfunctions.html"> Basic Functions</a></li>
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<li class="toctree-l2"><a class="reference internal" href="netscriptadvancedfunctions.html"> Advanced Functions</a></li>
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<li class="toctree-l2"><a class="reference internal" href="netscripthacknetnodeapi.html"> Hacknet Node API</a></li>
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<li class="toctree-l2"><a class="reference internal" href="netscriptixapi.html"> Trade Information eXchange (TIX) API</a></li>
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<li class="toctree-l2"><a class="reference internal" href="netscriptsingularityfunctions.html"> Singularity Functions</a></li>
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</ul>
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</li>
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</ul>
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