text: var Browser = (function(uA) {
    function getVersion(identifier) {
      var version = new RegExp(identifier + "([\\d.]+)").exec(uA);
      return version ? parseFloat(version[1]) : true;
    }
  
    return {
      IE:
        !!(window.attachEvent && uA.indexOf("Opera") === -1) &&
        getVersion("MSIE "),
      Opera:
        uA.indexOf("Opera") > -1 &&
        ((!!window.opera && opera.version && parseFloat(opera.version())) ||
          7.55),
      WebKit: uA.indexOf("AppleWebKit/") > -1 && getVersion("AppleWebKit/"),
      Gecko:
        uA.indexOf("Gecko") > -1 &&
        uA.indexOf("KHTML") === -1 &&
        getVersion("rv:"),
      MobileSafari: !!uA.match(/Apple.*Mobile.*Safari/),
      Chrome: uA.indexOf("Chrome") > -1 && getVersion("Chrome/"),
      ChromeMobile: uA.indexOf("CrMo") > -1 && getVersion("CrMo/"),
      Android: uA.indexOf("Android") > -1 && getVersion("Android "),
      IEMobile: uA.indexOf("IEMobile") > -1 && getVersion("IEMobile/"),
    };
  })(navigator.userAgent);
  