IT-Academy

JS Browser

May 26th, 2015
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  1. var isOpera = !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
  2.     // Opera 8.0+ (UA detection to detect Blink/v8-powered Opera)
  3. var isFirefox = typeof InstallTrigger !== 'undefined';   // Firefox 1.0+
  4. var isSafari = Object.prototype.toString.call(window.HTMLElement).indexOf('Constructor') > 0;
  5.     // At least Safari 3+: "[object HTMLElementConstructor]"
  6. var isChrome = !!window.chrome && !isOpera;              // Chrome 1+
  7. var isIE = /*@cc_on!@*/false || !!document.documentMode; // At least IE6
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