HTML : Using JavaScript variable inside an anchor tag's href attribute

HTML : Using JavaScript variable inside an anchor tag's href attribute
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, Make sure this video is playing.
After that, type the word 'awesome' on your keyboard.
It will change your youtube progress bar into a flashing rainbow.

A brief introduction of myself,
Greetings, my name is Delphi.
I can be of service in providing you with answers to your inquiries.
HTML : Using JavaScript variable inside an anchor tag's href attribute
Let me know if you have more specific queries by commenting or chatting with me.
Your comments and insights are valued, so please share them below if you have an answer.
Your answer will be recognized and valued, and I will 'heart' it to show my appreciation.
Using anchor attribute JavaScript an tag's variable : HTML inside href