navigator 对象

navigator对象:浏览器相关的信息

userAgent 用户代理信息，通过该属性可以获取浏览器及操作系统信息

// console.log(window.navigator.userAgent);

// Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36

// Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; rv:11.0) like Gecko

// Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E)

// Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E)

// -ms-

// -o-

// -webkit-

// -moz-