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15 lines
515 B
TypeScript
15 lines
515 B
TypeScript
/**
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* Returns a reference to the first object with the specified value of the ID or NAME attribute,
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* throwing an error if it is unable to find it.
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* @param elementId The HTML ID to retrieve the element by.
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* @throws {Error} When the 'elementId' cannot be found.
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*/
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export function getElementById(elementId: string) {
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const el: HTMLElement | null = document.getElementById(elementId);
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if (el === null) {
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throw new Error(`Unable to find element with id '${elementId}'`);
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}
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return el;
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}
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