我看 cocos2d-html5 代码里还有 qqbrowser, mqqbrowser ...
https://github.com/cocos2d/cocos2d-html5/blob/eaf6b1fcfc7a2f702b0d839c62724f6691447ea9/CCBoot.js#L1291-L1306```
sys.BROWSER_TYPE_WECHAT = "wechat";
sys.BROWSER_TYPE_ANDROID = "androidbrowser";
sys.BROWSER_TYPE_IE = "ie";
sys.BROWSER_TYPE_QQ = "qqbrowser";
sys.BROWSER_TYPE_MOBILE_QQ = "mqqbrowser";
sys.BROWSER_TYPE_UC = "ucbrowser";
sys.BROWSER_TYPE_360 = "360browser";
sys.BROWSER_TYPE_BAIDU_APP = "baiduboxapp";
sys.BROWSER_TYPE_BAIDU = "baidubrowser";
sys.BROWSER_TYPE_MAXTHON = "maxthon";
sys.BROWSER_TYPE_OPERA = "opera";
sys.BROWSER_TYPE_MIUI = "miuibrowser";
sys.BROWSER_TYPE_FIREFOX = "firefox";
sys.BROWSER_TYPE_SAFARI = "safari";
sys.BROWSER_TYPE_CHROME = "chrome";
sys.BROWSER_TYPE_UNKNOWN = "unknown";
...
var browserTypes = ua.match(/micromessenger|qqbrowser|mqqbrowser|ucbrowser|360browser|baiduboxapp|baidubrowser|maxthon|trident|opera|miuibrowser|firefox/i)
|| ua.match(/chrome|safari/i);
```