IO.js | async Javascript with support for error handling | Reactive Programming library

I'm trying to purchase a stock but when I click on buy and then see my Portfolio.vue, 'm getting the error as below

vue.runtime.esm.js?2b0e:619 [Vue warn]: Error in render: "TypeError: Cannot read property 'find' of undefined"

found in

I'm making a multiplayer game on the web using socket.io, but only I've gotten this error on desktop (not on phone).
The Full error is

socket.min.io.js:6 GET http://my.public.ip:8080/socket.io/?EIO=4&transport=polling&t=Ndge5Hh net::ERR_CONNECTION_TIMED_OUT

I Found the xhr poll error by doing this:

I am trying to create a room and get the output on the client side through the emit, but it doesn't seem to work. can you please tell me what's wrong with it.

I think this is the error but I can't figure out what it means:-

participants = ns[room[0]]._fwdm.copy() if room[0] in ns else {} TypeError: 'int' object is not subscriptable

File "E:\KabirProject\WebsocketDocs\app.py", line 36, in join_roomm emit('room joined', "Heyy I've joined the room", to = room)

here are my server side codes:-

I have successfully installed npm-asset/socket.io package and its dependencies by using Asset Packagist in yii2. Now, I cannot include it in my pages. I tried in AppAsset.php like this:

When I get some claims from a JWT Token to validate user authentication I get the following error:

What's the difference between these two ways of including socket.io?

I'm having issues with Node SocketIo client not emitting data. So when the client connects in the index.html does log the "Connected This Is A Test", however it does not socket.emit('cool'), no errors nor does it seem to log on server.js. I'm not sure why its not emitting or the server isnt listening.

Server.js

Thank you in advance for reading this question.

What I am trying to do is: to insert a URL hyperlink to that container's item class at the bottom.

So far, I used map to call the data I input from another file. And I struggle to find some example to implement the hyperlink in such case.

or I can say - no idea how I should start letting that src or href work in this situation.

Here is what I expected and did not work

So I am trying to integrate SonarQube with my Gitlab CI. Now this is the gitlab-ci.yml file that I currently have: