Implement basic functionality
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<meta name="author" content="Felix W. Dekker" />
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<meta name="application-name" content="Converter" />
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<meta name="description" content="Converts numbers to and from various bases." />
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<meta name="theme-color" content="#0033cc" />
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<title>Converter | FWDekker</title>
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<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,300italic,700,700italic"
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crossorigin="anonymous" />
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.1/normalize.min.css"
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integrity="sha256-l85OmPOjvil/SOvVt3HnSSjzF1TUMyT9eV0c2BzEGzU=" crossorigin="anonymous" />
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/milligram/1.3.0/milligram.min.css"
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integrity="sha256-Ro/wP8uUi8LR71kwIdilf78atpu8bTEwrK5ZotZo+Zc=" crossorigin="anonymous" />
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<link rel="stylesheet" href="https://static.fwdekker.com/css/milligram-common.css" crossorigin="anonymous" />
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</head>
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<body>
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<main class="wrapper">
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<!-- Header -->
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<header class="header">
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<section class="container">
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<h1>Converter</h1>
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<blockquote>
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<p><em>Convert numbers to and from various bases.</em></p>
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</blockquote>
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</section>
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</header>
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<!-- Input -->
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<section class="container">
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<div class="row">
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<div class="column">
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<form>
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<fieldset id="inputs">
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</fieldset>
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</form>
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</div>
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</div>
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</section>
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<!-- Footer -->
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<footer class="footer">
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<section class="container">
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Made by <a href="https://fwdekker.com/">Felix W. Dekker</a>.
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Licensed under the
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<a href="https://git.fwdekker.com/FWDekker/converter/src/branch/master/LICENSE">MIT License</a>.
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Source code available on <a href="https://git.fwdekker.com/FWDekker/converter/">git</a>.
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</section>
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</footer>
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</main>
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<!-- Scripts -->
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<script src="https://static.fwdekker.com/js/common.js" crossorigin="anonymous"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/big-integer/1.6.44/BigInteger.min.js"
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integrity="sha256-es+ex6Oj344uak+VnCPyaHY2nzQkqhr7ByWVQgdjATA=" crossorigin="anonymous"></script>
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<script>
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const updateAllInputs = newValue => {
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for (const numberInput of $a(".numberInput"))
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numberInput.value = newValue.toString(numberInput.getAttribute("data-base"));
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};
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const createTextarea = (base, name) => {
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const label = document.createElement("label");
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label.setAttribute("for", `${name}Input`);
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label.innerHTML = name;
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const textarea = document.createElement("textarea");
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textarea.id = `${name}Input`;
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textarea.className = "numberInput";
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textarea.setAttribute("data-base", base);
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textarea.oninput = () => {
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if (textarea.value)
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updateAllInputs(bigInt(textarea.value, base));
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};
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return [label, textarea];
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};
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const addTextarea = (label, textarea) => {
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const inputs = $("#inputs");
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inputs.appendChild(label);
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inputs.appendChild(textarea);
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};
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const generateTextareas = () => {
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const textareas = [["2", "Binary"], ["8", "Octal"], ["10", "Decimal"], ["16", "Hexadecimal"]];
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for (const textarea of textareas) {
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const elements = createTextarea(textarea[0], textarea[1]);
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addTextarea(elements[0], elements[1]);
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}
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};
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doAfterLoad(() => generateTextareas());
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</script>
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</body>
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</html>
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