获取浏览器类型

 

var browser = {

    versions:function(){

        var u = navigator.userAgent, app = navigator.appVersion;

        return {

            trident: u.indexOf('Trident') > -1,                             //IE内核

            presto: u.indexOf('Presto') > -1,                               //opera内核

            webKit: u.indexOf('AppleWebKit') > -1,                          //苹果、谷歌内核

            gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1,     //火狐内核

            mobile: !!u.match(/AppleWebKit.*Mobile.*/),                     //是否为移动终端

            ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/),                //ios终端

            android: u.indexOf('Android') > -1 || u.indexOf('Linux') > -1,  //android终端或uc浏览器

            iPhone: u.indexOf('iPhone') > -1,                               //是否为iPhone或者QQHD浏览器

            iPad: u.indexOf('iPad') > -1,                                   //是否iPad

            webApp: u.indexOf('Safari') == -1,                              //是否web应该程序，没有头部与底部

            weixin: u.indexOf('MicroMessenger') > -1,                       //是否微信

            qq: u.match(/\sQQ/i) == "qq"                                    //是否QQ

        };

    }(),

};