Detect Browser, Platform, and Touch Capability Using Javascript

Here’s a method of detecting which browser you’re using and whether you’re on a mobile or desktop platform: <script type=”text/javascript”>   <!–   var userAgent = navigator.userAgent || window.navigator.userAgent;   var nav = navigator || window.navigator;   var isDesktop = nav[‘platform’].match(/(Mac|Win|Linux)/) && !userAgent.match(/Android/);   if (isDesktop) {     alert(“You’re on a Desktop!”);   };   –> </script> Need …