JavaScript : Uncaught TypeError: Cannot read property 'value' of null

JavaScript : Uncaught TypeError: Cannot read property 'value' of null
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, 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.

Allow me to introduce myself briefly,
Hi, my name is Delphi, nice to meet you.
Allow me to provide support in answering your questions.
JavaScript : Uncaught TypeError: Cannot read property 'value' of null
I welcome your comments and chats if you have more detailed queries.
Your input is valuable, so please comment below if you have an answer or any insights to the answer.
Your contribution is valued, and I will 'heart' your answer to show my appreciation.
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