Array : Extend Array Javascript

Array : Extend Array Javascript
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

Here's a secret feature that I promised to disclose to you.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Then, type the letters 'awesome' on the keyboard.
The progress bar on YouTube will be altered to a flashing rainbow.

A short overview of who I am,
Hi, my name is Delphi, nice to meet you.
Allow me to provide support in answering your questions.
Array : Extend Array Javascript
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Array Extend Array Javascript :