OS Detection in JavaScript

You can easily get the operating System of your visitor in javascript. Here is the javascript code which will give you the operating system of your visitor.

<script type="text/javascript">
var OSName="Unknown OS";
if (navigator.appVersion.indexOf("Win")!=-1) OSName="Windows";
if (navigator.appVersion.indexOf("Mac")!=-1) OSName="MacOS";
if (navigator.appVersion.indexOf("X11")!=-1) OSName="UNIX";
if (navigator.appVersion.indexOf("Linux")!=-1) OSName="Linux";
alert(OSName);
</script>