JavaScript Basics: Difference between revisions
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== Types == | |||
<code>string</code>, <code>number</code>, <code>boolean</code>, <code>null</code>, <code>undefined</code>, <code>object</code> | |||
Use <code>typeof some_var</code> to get the type. | |||
The following are considered false: <code>false</code>, <code>0</code>, <code>""</code>, <code>null</code>, <code>undefined</code>, <code>NaN</code> |
Revision as of 16:40, 18 April 2015
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