HTML : what is the benefit of em vs i ?

HTML : what is the benefit of em vs i ?
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I promised to reveal a secret feature to you, and now it's time to share it.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
Then, type the letters 'awesome' on the keyboard.
The progress bar on YouTube will be altered to a flashing rainbow.

Here's a brief description of who I am,
Welcome, I'm Delphi.
I am willing to help you find the solutions to your questions.
HTML : what is the benefit of em vs i ?
If you require more detailed information, please don't hesitate to comment or chat with me.
Please feel free to leave a comment below if you have an answer or insights on the answer.
I will 'heart' your answer as a sign of appreciation.
benefit what i is : vs of HTML the ? em

Видео HTML : what is the benefit of em vs i ? канала Hey Delphi