NodeJS : Node.js / Express.js - How to override/intercept res.render function?

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

I have a hidden feature that I promised to tell you about.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
Then, type the letters 'awesome' on the keyboard.
The progress bar on YouTube will be altered to a flashing rainbow.

Here's a brief description of who I am,
Greetings, my name is Delphi.
I am here to help you get the answers you are seeking.
Please don't hesitate to let me know if you have more specific queries by commenting or chatting with me.
Please feel free to share your answer or insights on the answer by leaving a comment below.
A 'heart' from me is a way of showing appreciation for your answer.