How to implement a menu with content?

Question

WordPress

Hello everyone, it became interesting, but how can you implement such a menu with content like here .
There you twist the text article by article, and on the left the cursor jumps to the article that you are currently reading.

Answer 1

1. JS track scroll or visibility of specific sections
   
2. Highlights the corresponding item in the menu
   
3. Changes the link using History_API