Why does the table immediately drop to the end of vue when scrolling down?

Question

Vue.js

Hello!
I'm doing a virtual scroll, and I ran into a bug that I can't close for 4 hours...

Link to the source

I think that this is a problem due to the reindexing of the columns, but although there is a unique key attribute on each.

Please help, I don't know what to do with it

Answer 1

Something like this