NodeJS : Verify mime type of uploaded files in node.js

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

As promised, I have a hidden feature that I want to share with you.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
Next, enter the letters 'awesome' on your keyboard.
You will see a flashing rainbow instead of a regular progress bar on YouTube.

A little intro about me,
Greetings, my name is Delphi.
Allow me to support you in answering your questions.
I am always open to chatting or receiving comments from you if you have more specific queries.
Your thoughts and contributions are welcome, so please leave a comment below if you have an answer or insights to the answer.
A 'heart' from me will be given to show my gratitude for your contribution.