javascript - Some of the js in html are not loaded when the mobile phone is opened, but it is normal on the computer. What's going on?

Question

The download page (html) of an app is placed on the server and opened through the mobile phone. The js part is not loaded and it is invalid. It is normal to open it on the computer. The js content is used to determine whether WeChat is opened or the browser is opened. The js part code is as follows

黄舟 · Answer

It seems that there is an error in isWeixin that causes alert('1') not to be executed. If not, you can go to the alert in isWeixin to check it out

三叔 · Answer

You can try putting alert("1"); in the first line of init() and see if the alert box will appear?