JavaScript PI Property: Math Object
Description
The PI property of math object returns the ratio of the circumference of a circle to its diameter ( approximately 3.14159).
Version
Implemented in JavaScript 1.0
Syntax
Math.PI
Example:
The following web document, returns the value of PI.
<!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 - PI property example</title>
</head>
<body>
<h1 style="color: red">JavaScript Math object : PI property</h1>
<hr />
<script type="text/javascript">
//This is done to make the following JavaScript code compatible to XHTML. <![CDATA[
document.write("PI: " + Math.PI+"<br>");
//]]>
</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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