NodeJS : how to bind middleware to events in socket.io

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

As promised, I'm going to share a hidden feature with you.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Then, type the letters 'awesome' on your keyboard as the next step.
The progress bar on YouTube will be altered to a flashing rainbow.

Here's a brief description of who I am,
Hello everyone, I'm Delphi.
Let me aid you in resolving any queries you may have.
I am available to answer your more specific queries, so feel free to comment or start a chat.
If you have an answer, or any insights to the answer, please comment below.
Your answer will be acknowledged and appreciated, and I will 'heart' it as a sign of gratitude.