android和ios移动端跳转链接的问题

var url = ""; var u = navigator.userAgent; var isAndroid = u.indexOf("Android") > -1 || u.indexOf("Adr") > -1; //android终端 var isIOS = !!u.match(/\(i[^;] ;( U;)? CPU. Mac OS X/); //ios终端 if(isAndroid){     // android     window.open(url); } else if(isIOS){     // IOS     window.location.href = url; }