What means are implemented in the dev environment to highlight the re-rendered react component?

Question

JavaScript

I saw somewhere, a video tutorial in which, among other things, when a component was updated in react, it was highlighted. I want to set up this feature in dev environment. But I can’t work up how to do it, please knowledgeable comrades poke their noses

Answer 1

I think you mean the possibility of react dev tools is enabled like this - https://monosnap.com/file/zJd5vuToWPfD4Y2xKr45JRcl...

Answer 2

Did you mean something similar or did I misunderstand your question?