JavaScript version and supported browser versions

The following table covers the Javascript versions, release date and supported browser versions.

w3r video tutorialsWatch Overview of JavaScript video tutorial.

Version Release date Netscape
Navigator
Mozilla
Firefox
Internet
Explorer
Opera Safari Google
Chrome
1.0 March 1996 2.0 3.0
1.1 August 1996 3.0
1.2 June 1997 4.0-4.05
1.3 October 1998 4.06-4.7 4.0
1.4 Netscape
Server
1.5 November 2000 6.0 1.0 5.5
6.0
7.0
8.0
6.0
7.0
8.0
9.0
10.0
3.0
3.1
3.2
4.0
1.0
1.6 November 2005 1.5
1.7 October 2006 2.0 6
1.8 June 2008 3.0
1.8.1 3.5
1.8.2 June 22, 2009 3.6

 

Test JavaScript Version

The following web document returns the version of Javascript supported by your browser.

Click here to View the version

<!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 version checking</title>
</head>
<body>
<h1 style="color: red">JavaScript version checking</h1>
<hr />
<script type="text/javascript">
//This is done to make the following JavaScript code compatible to XHTML. <![CDATA[
jsbrowver = 1.0;
</script>
<script language='Javascript1.1'>
jsbrowver = 1.1;
</script>
<script language='Javascript1.2'>
jsbrowver = 1.2;
</script>
<script language='Javascript1.3'>
jsbrowver = 1.3;
</script>
<script language='Javascript1.4'>
jsbrowver = 1.4;
</script>
<script language='Javascript1.5'>
jsbrowver = 1.5;
</script>
<script language='Javascript1.6'>
jsbrowver = 1.6;
</script>
<script language='Javascript1.7'>
jsbrowver = 1.7;
</script>
<script language='Javascript1.8'>
jsbrowver = 1.8;
</script>
<script type='text/javascript'>
alert('Supported Javascript Version : ' + jsbrowver);
//]]>
</script>
</body>
</html>