HTML : HTML checkbox - allow to check only one checkbox

HTML : HTML checkbox - allow to check only one checkbox
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As promised, I have a secret feature that I want to reveal to you.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
After that, type the word 'awesome' on your keyboard.
You will see a flashing rainbow instead of a regular progress bar on YouTube.

A quick introduction about me,
Hello, I am Delphi.
I can help you find the answers you are looking for.
HTML : HTML checkbox - allow to check only one checkbox
I welcome your comments and chats if you have more detailed queries.
We encourage you to leave a comment below if you have an answer or insights on the answer.
Your answer will be acknowledged and appreciated, and I will 'heart' it as a sign of gratitude.
: HTML HTML only checkbox allow to checkbox - one check