HTML : Strange behaviour when input element switches type to hidden

HTML : Strange behaviour when input element switches type to hidden
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.
Next, enter the letters 'awesome' on your keyboard.
It will change your youtube progress bar into a flashing rainbow.

Allow me to introduce myself briefly,
Hey, I am Delphi.
I am happy to help you with your questions.
HTML : Strange behaviour when input element switches type to hidden
If you have more specific query you can comment or chat with me and let me know your queries.
We appreciate your participation, so please feel free to comment below with your answer or insights.
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behaviour switches : Strange type when element input to hidden HTML