Navigator

navigator.userAgent

又一次遇到这个，之前没见过，于是就查了一下，记录下来以备后面查询

var user = navigator.userAgent.toLowerCase()

if (/micromessenger/.test(user))

else if (/iphone|ipod|ipad/.test(user))

这种情况下

了解了一下

navigator 对象包含关于 Web 浏览器的信息

txt = "<p>Browser CodeName: " + navigator.appCodeName + "</p>";
txt+= "<p>Browser Name: " + navigator.appName + "</p>";
txt+= "<p>Browser Version: " + navigator.appVersion + "</p>";
txt+= "<p>Cookies Enabled: " + navigator.cookieEnabled + "</p>";
txt+= "<p>Platform: " + navigator.platform + "</p>";
txt+= "<p>User-agent header: " + navigator.userAgent + "</p>";
txt+= "<p>User-agent language: " + navigator.systemLanguage + "</p>";