JavaScript Math Object: LOG2E Property

Last update on August 19 2022 21:51:08 (UTC/GMT +8 hours)

Description

The LOG2E property of math object returns the base 2 logarithm of E (approximately equal to 1.442).

Version

Implemented in JavaScript 1.0

Syntax

Math.LOG2E

Example:

In the following web document, LOG2E property returns the base 2 logarithm of E.

<!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 - LOG2E property example</title>
</head>
<body>
<h1 style="color: red">JavaScript Math object : LOG2E property</h1>
<hr />
<script type="text/javascript">
//This is done to make the following JavaScript code compatible to XHTML. <![CDATA[
document.write("LOG2E : " + Math.LOG2E);
//]]>
</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

Previous: JavaScript LOG10E Property: Math Object
Next: JavaScript PI Property: Math Object