How to write your virtual-list correctly?

Question

Vue.js

Hello everyone, I am writing my virtual sheet in VueJS for a table, but for some fig, when the list is scrolled, all the following elements are sequentially rendered, who has come across this? After re-rendering, the handleScroll event is called again.
https://codesandbox.io/s/lucid-visvesvaraya-2eojs?...
I made my component following this example: https://blog.logrocket.com/virtual-scrolling-core-...