HTML : Canvas: JavaScript Uncaught Error: INDEX_SIZE_ERR: DOM Exception 1

HTML : Canvas: JavaScript Uncaught Error: INDEX_SIZE_ERR: DOM Exception 1
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I have a hidden feature that I promised to tell you about.
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.
It will change your youtube progress bar into a flashing rainbow.

Let me give you a brief introduction of who I am,
Hey, I am Delphi.
I am here to aid you in getting answers to your questions.
HTML : Canvas: JavaScript Uncaught Error: INDEX_SIZE_ERR: DOM Exception 1
Don't hesitate to ask me more detailed questions by commenting or starting a chat.
If you have knowledge to contribute or an answer to provide, we encourage you to comment below.
I will 'heart' your answer to show my gratitude for your contribution.
DOM HTML Canvas: Exception INDEX_SIZE_ERR: Uncaught JavaScript 1 : Error: