js判断是android或IOS

1. var u = navigator.userAgent, app = navigator.appVersion;  
2.             var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Linux') > -1; //android终端或者uc浏览器  
3.             var isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端  
4.             if(isAndroid==1){  
5.                 window.location.href="Android.html"  
6.             }  
7.             else(  
8.                 window.location.href="ios.html"  
9.             )