JavaScript Basics

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Link to external Javscript file

<head>
	<title>Test</title>
	<meta http-equiv="content-type" content="text/html;charset=utf-8" />
	<script src="spectra.js" type="text/javascript" ></script>
</head>

Types

string, number, boolean, null, undefined, object

Use typeof some_var to get the type.

The following are considered false: false, 0, "", null, undefined, NaN

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