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sgaurav/gist:d8aa7850fcdaf3319711

Created October 29, 2014 07:24
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Javascript method to detect browser without using UA String
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gistfile1.js
var isOpera = !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
var isFirefox = typeof InstallTrigger !== 'undefined';
var isSafari = Object.prototype.toString.call(window.HTMLElement).indexOf('Constructor') > 0;
var isChrome = !!window.chrome && !this.isOpera;
var isIE = false || !!document.documentMode;
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