JavaScript valueOf Method: Number Object
Description
The valueOf() method returns the primitive value of a number object as a number data type.
Version
Implemented in JavaScript 1.1
Syntax
valueOf()
Parameters
None
Example:
In the following web document, valueOf() method is used to get the primitive value of a number object.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
<title>JavaScript Number object - valueOf() method example</title>
</head>
<body>
<h1 style="color: red">JavaScript Number object : valueOf() method</h1>
<hr />
<script type="text/javascript">
//This is done to make the following JavaScript code compatible to XHTML. <![CDATA[
var x = Number(301);
document.write(x.valueOf());
//]]>
</script>
</body>
</html>
View the example in the browser
Supported Browser
| Internet Explorer 7 | Firefox 3.6 | Google Chrome 7 | Safari 5.0.1 | Opera 10 |
| Yes | Yes | Yes | Yes | Yes |
See also:
JavaScript Core objects, methods, properties.
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Javascript object Object - Properties and Methods
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