How to trigger an animation on scroll?

Question

..

Answer 1

What you want to do?

Answer 2

To scroll 100px

$("#id").scrollTop($("#id").scrollTop() + 100);

Answer 3

can you please be more specific???

Answer 4

https://code.sololearn.com/WY1mu8k8Y506/?ref=app

https://code.sololearn.com/WEO72wsTW4gS/?ref=app