NodeJS : socket.io can't connect to server

To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

So here is a secret hidden feature I promissed to tell you.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
After that, type the word 'awesome' on your keyboard.
You will see a flashing rainbow instead of a regular progress bar on YouTube.

A brief presentation of myself,
Salutations, my name is Delphi.
I am here to aid you in getting answers to your questions.
If you require more detailed information, please don't hesitate to comment or chat with me.
Your input is valuable, so please comment below if you have an answer or any insights to the answer.
Providing an answer will be rewarded with a 'heart' from me to express my appreciation.