js to judge IOS Android browser type WeChat Weibo QQ space

var browser = {

   versions: function () {

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

       return { //Mobile terminal browser version information

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

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

           webKit: u.indexOf('AppleWebKit') > -1, //Apple, Google kernel

           gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1, //Firefox kernel

           mobile: !!u.match(/AppleWebKit.*Mobile.*/), //Whether it is a mobile terminal

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

           Android: u.indexOf('android') > -1 || u.indexOf(' Linux') > -1, //android terminal or uc browser

           iPhone: u.indexOf('iPhone') > -1, //whether it is iPhone or QQHD browser

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

           webApp: u.indexOf('Safari') == -1 //Whether web should be program, no head and bottom

       };

   }(),

   language: (navigator.browserLanguage || navigator.language).toLowerCase()

}







if (browser.versions.mobile) {//Determine whether the mobile device is open. The browser code is below

       var ua = navigator.userAgent.toLowerCase();//Get the object for judgment

       if (ua.match(/MicroMessenger/i) == "micromessenger") {

               //Open in WeChat

       }

       if (ua .match(/WeiBo/i) == "weibo") {

               //Open in Sina Weibo client

       }

       if (ua.match(/QQ/i) == "qq") {

               //Open in QQ space

       }

       if (browser.versions.ios) {

               //open in IOS browser

       }

       if(browser.versions.android){

               //open in Android browser

       }

} else {

       //otherwise open in PC browser

}