HTML : Refresh iframe content without white flash

HTML : Refresh iframe content without white flash
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.

Here's a brief description of who I am,
Nice to meet you, I am Delphi.
I am here to assist you in getting the answers you need.
HTML : Refresh iframe content without white flash
If you need more specific information, let me know by leaving a comment or starting a chat.
Your input is valuable, so please comment below if you have an answer or any insights to the answer.
A 'heart' from me will be given to show my gratitude for your contribution.
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