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<head>
<title>JS Single-line Comments</title>
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<body>
<pre>
<script type="text/javascript">
// Write on browser
document.write("Hello World!");
// Write text an <h2> Heading
document.write("<h2> Hello World! </h2>");
document.write("Hello World!"); // Write Comments at end of a Line
// Execute JS Code that are write in comment line
//document.write("<h2>This text is h2 Heading</h2>");
</script>
</pre>
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