JavaScript : Is it possible to set multiple data attributes using the jQuery.attr() function?

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, Make sure this video is playing.
Then, type the letters 'awesome' on your keyboard as the next step.
The progress bar on YouTube will be altered to a flashing rainbow.

An introduction to myself in a few words,
Nice to meet you, I am Delphi.
Let me aid you in resolving any queries you may have.
If you need more specific information, let me know by leaving a comment or starting a chat.
We appreciate your participation, so please feel free to comment below with your answer or insights.
Providing an answer will be acknowledged and appreciated with a 'heart' from me.