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JavaScript random() Method: Math Object

Description

The random() method of math object is used to get the pseudo-random number between 0 and 1. The random number generator is seeded from the current time, as in Java.

Version

Implemented in JavaScript 1.0

Syntax

random()

Parameter

None

Example:

In the following web document, random() method generates random numbers.

<!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 Math object - random() method example</title>
</head>
<body>
<h1 style="color: red">JavaScript Math object : random() method</h1>
<hr />
<script type="text/javascript">
document.write(Math.random());
</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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Next: JavaScript round() Method: Math Object

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