HTML : Change background color dynamically with JavaScript

HTML : Change background color dynamically with JavaScript
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I promised to share a hidden feature with you, and here it is.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Next, enter the letters 'awesome' on your keyboard.
Your YouTube progress bar will transform into a flashing rainbow.

A quick introduction about me,
Nice to meet you, I am Delphi.
I am happy to help you with your questions.
HTML : Change background color dynamically with JavaScript
I encourage you to reach out through comments or chat if you have more specific questions.
If you have an answer, or any insights to the answer, please comment below.
A 'heart' from me is a way of showing appreciation for your answer.
HTML with color JavaScript Change dynamically : background