What is the best way to make such a web animation (video on scroll)?

Question

JavaScript

Animation example: https://www.apple.com/airpods-pro/
When does a person shake their head, for example?
Or when the airpods are leaving?
Those. I understand that this is a sequence of frames that simply changes when scrolling. How is it technically done?

Answer 1

oops

Answer 2

Google canvas scroll animation