帮助 GA 检测各种奇奇怪怪的浏览器

// 参考:http://jeffshow.com/get-more-precise-browser-info-in-google-analytics.html

var browserName = "Other";
var ua = window.navigator.userAgent;
browserRegExp = {
  Sogou : /SE\s2\.X|SogouMobileBrowser/,
  Explorer2345 : /2345Explorer|2345chrome|Mb2345Browser/,
  Liebao : /LBBROWSER/,
  QQBrowser : /QQBrowser/,
  Baidu : /BIDUBrowser|baidubrowser|BaiduHD/,
  UC : /UBrowser|UCBrowser|UCWEB/,
  MiuiBrowser : /MiuiBrowser/,
  Wechat : /MicroMessenger/,
  MobileQQ : /Mobile\/\w{5,}\sQQ\/(\d+[\.\d]+)/,
  Shoujibaidu : /baiduboxapp/,
  Firefox : /Firefox/,
  Maxthon : /Maxthon/,
  Se360 : /360SE/,
  Ee360 : /360EE/,
  TheWorld : /TheWorld/,
  Weibo : /__weibo__/,
  NokiaBrowser : /NokiaBrowser/,
  Opera : /Opera|OPR\/(\d+[\.\d]+)/,
  Edge : /Edge/,
  AndroidBrowser : /Android.*Mobile\sSafari|Android\/(\d[\.\d]+)\sRelease\/(\d[\.\d]+)\sBrowser\/AppleWebKit(\d[\.\d]+)/i,
  IE : /Trident|MSIE/,
  Chrome : /Chrome|CriOS/,
  Safari : /Version[|\/]([\w.]+)(\s\w.+)?\s?Safari|like\sGecko\)\sMobile\/\w{3,}$/,
};
for (var i in browserRegExp) {
  if (browserRegExp[i].exec(ua)) {
    browserName = i;
    break;
  }
}
if (typeof window.ga !== 'undefined') {
  window.ga('set', 'dimension3', browserName);
}