JavaScript PI Property: Math Object

Last update on August 19 2022 21:50:38 (UTC/GMT +8 hours)

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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