/** * 获取ie浏览器版本号 * @returns */ function getInternetExplorerVersion(){ var version = -1; // Return value assumes failure. if (navigator.appName == 'Microsoft Internet Explorer'||navigator.appName=="Netscape") { var ua = navigator.userAgent.toLowerCase(); var strRegIE1 = /msie [d.]+;/gi; var strRegIE2 = /rv:[d.]+/; var ieInfo = ua.match(strRegIE1) ; if ( null === ieInfo){ ieInfo = ua.match(strRegIE2); } ieInfo = ieInfo+""; var version = ieInfo.replace(/[^0-9.]/ig,""); } return version; }