How to use scroll in javascript without using jquery?

Question

How to add scroll in JavaScript without using jquery? I just want to add scroll effect on a div without using jquery to make the code efficient.

Answer 1

这是你的答案

document.queryselector("#btn").addEventListener("onscroll", displayDiv);

Answer 2

I searched and found another way to call it object.onscroll = function(){myScript}; and it also worked