jQuery : What's the difference between e.preventDefault(); and return false?

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 the video is currently in playing mode.
Then, type the letters 'awesome' on the keyboard.
It will change your youtube progress bar into a flashing rainbow.

A short overview of who I am,
Hi, my name is Delphi, nice to meet you.
Let me help you with your questions.
Don't hesitate to leave a comment or start a chat if you have a more specific question.
If you have knowledge to contribute or an answer to provide, please leave a comment below.
I will express my appreciation for your answer by 'hearting' it.