JS - 判断微信相关
function isWeiXin() {
var ua = navigator.userAgent.toLowerCase();
if (ua.match(/MicroMessenger/i) == 'micromessenger' && ua.match(/WindowsWechat/i) != 'windowswechat' && ua.match(/WechatDevTools/i) !='wechatdevtools') {
return true;
} else {
return false;
}
}