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JavaScript Tutorial

JavaScript POSITIVE_INFINITY Property: Number Object

Description

A special numeric value represents positive infinity. This value is represented as the unquoted literal "Infinity".

Version

Implemented in JavaScript 1.1

Syntax

Number.POSITIVE_INFINITY

Example:

The following web document demonstrates how the POSITIVE_INFINITY() property can be used.

<!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 - POSITIVE_INFINITY property example</title>
</head>
<body>
<h1 style="color: red">JavaScript Number object : POSITIVE_INFINITY property</h1>
<hr />
<script type="text/javascript">
//This is done to make the following JavaScript code compatible to XHTML. <![CDATA[
if((Math.exp(888))  <=  Number.POSITIVE_INFINITY_)
{
alert("exp(888) is less than Positive infinity [POSITIVE_INFINITY]");
}
else	  {	   alert("exp(888) is less than Positive infinity [POSITIVE_INFINITY]");	  }          //]]>
</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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