JavaScript Basics
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
The built-in types are string
, number
, boolean
, null
, undefined
, object
.
Use typeof some_var
to get the type.
The following are considered false: false
, 0
, ""
, null
, undefined
, NaN
.