Flash Player Version Sniffer Using SWFObject Mar 26th, 2010 Here is a quick and easy way to detect a users Flash Player Version using SWFObject: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 <!-- SWFObject js files --> <script type="text/javascript" src="js/swfobject.js"></script> <script type="text/javascript"> var minMajorVersion = 9; var flashVersion = swfobject.getFlashPlayerVersion(); if(flashVersion['major'] >= minMajorVersion){ alert("Flash Player Version correct"); } </script>