http://snippets.dzone.com/posts Mon, 06 Oct 2008 14:22:44 GMT DZone Snippets: browserdetect code http://snippets.dzone.com/posts/show/1726 // is called when you want to test which version of IE a user has, returns true or false <br /> <br /><code> <br />function isIE(versionNumber) { <br />var detect = navigator.userAgent.toLowerCase(); <br />if(!(navigator && navigator.userAgent && navigator.userAgent.toLowerCase)) { <br /> return false; <br /> } else { <br /> if(detect.indexOf('msie') + 1) { <br /> // browser is internet explorer <br /> var ver = function() { <br /> // http://msdn.microsoft.com/workshop/author/dhtml/overview/browserdetection.asp <br /> // Returns the version of Internet Explorer or a -1 <br /> // (indicating the use of another browser). <br /> var rv = -1; // Return value assumes failure <br /> if (navigator.appName == 'Microsoft Internet Explorer') { <br /> var ua = navigator.userAgent; <br /> var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})"); <br /> if (re.exec(ua) != null) { <br /> rv = parseFloat( RegExp.$1 ); <br /> } <br /> } <br /> return rv; <br /> }; <br /> var valid = true; <br /> // if the version can be found and the version is less than our version number it is invalid <br /> if ((ver > -1) && (ver < versionNumber)) { <br /> valid = false; <br /> } <br /> return valid; <br /> } else { <br /> return false <br /> } <br /> } <br />} <br /> <br /></code> Wed, 22 Mar 2006 20:16:10 GMT http://snippets.dzone.com/posts/show/1726 nataliedowne (Natalie Downe)