/ Published in: jQuery

Use it to detect old browser, when your client still use an old browser!
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function addIEclasses() { var ua = window.navigator.userAgent; var b = ""; var msie = ua.indexOf('MSIE '); if (msie > 0) { // IE 10 or older => return version number b = "msie ie" + parseInt(ua.substring(msie + 5, ua.indexOf('.', msie)), 10); } var trident = ua.indexOf('Trident/'); if (trident > 0) { // IE 11 => return version number var rv = ua.indexOf('rv:'); b = "trident ie"+parseInt(ua.substring(rv + 3, ua.indexOf('.', rv)), 10); } var edge = ua.indexOf('Edge/'); if (edge > 0) { // Edge (IE 12+) => return version number b = "edge ie"+parseInt(ua.substring(edge + 5, ua.indexOf('.', edge)), 10); } // other browser if(b!="") { $('body').addClass(b); } }
URL: http://www.barattalo.it/javascript/detect-old-browser/
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