HTML : How to enable a disabled checkbox dynamically?

HTML : How to enable a disabled checkbox dynamically?
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 this video is playing.
After that, type the word 'awesome' on your keyboard.
You will see a flashing rainbow instead of a regular progress bar on YouTube.

Here's a brief description of who I am,
Hello, I am Delphi.
I am at your disposal to help you with any questions you have.
HTML : How to enable a disabled checkbox dynamically?
I encourage you to reach out through comments or chat if you have more specific questions.
If you have knowledge to contribute or an answer to provide, we encourage you to comment below.
A 'heart' from me will be given as a sign of appreciation for your answer.
How to dynamically? a disabled : HTML checkbox enable