判断是微信或者企业微信客户端

var ua= window.navigator.userAgent.toLowerCase();
if( (ua.match(/MicroMessenger/i) == 'micromessenger') && (ua.match(/wxwork/i) == 'wxwork') ){
    alert("企业微信客户端");
}else if( ua.match(/micromessenger/i) == 'micromessenger' ){
    alert("微信客户端");
}else{
     window.opener = null;window.close();
 }