$(function(){

		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){

			alert("android");

		}else if(isiOS){

			alert("ios");

		}else{

		}

		var ua = window.navigator.userAgent.toLowerCase();

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

			alert("微信");

		} else {

			alert("非微信");

		}

});

if (/(iPhone|iPad|iPod|iOS|Android)/i.test(navigator.userAgent)) {

    //移动端

}else{

    //pc端

}