jquery judge iPhone, Android device type

I recently made a WeChat promotional page, which judges the device through JQ and performs the download　

The built-in browser of WeChat has blocked the download link, so a judgment is made first. If it is the built-in browser of WeChat, then jump to the Anzhi link. If not, then judge if it is an iPhone/Adroid/PC and jump　

The code is as follows:

function downloadApp(){}
 var u = navigator.userAgent; 
 var ua = navigator.userAgent.toLowerCase(); 
 var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1; //Android Terminal 
  var isiOS = !!u.match(/\(i[^;]+( U;)? CPU.+Mac OS X/); //iOS Terminal 
 if(ua.match(/MicroMessenger/i)=="micromessenger") { //WeChat Built-in Browser
  $(".download a").click(function(){
   window.location.href='http://a.app.qq.com/o/simple.jsp#63;pkgname=Application Name '
  });
 }
  if(isiOS){
   $(".download a").click(function(){
    window.location.href='https://itunes.apple.com/cn/app/Application Name
   });
  }
   $(".download a").click(function(){
    window.location.href='http://a.app.qq.com/o/simple.jsp#63;pkgname=Application Name'
   });
  }
   $(".download a").click(function(){
    window.location.href='Application Link'
   });
  }
 }
 } 

That's all for this article, I hope it will be helpful to everyone's learning, and I also hope everyone will support the呐喊 tutorial more.

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