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);
}