React tutorial demo
When I first started learning React. I went through and played with the tic tac toe tutorial from React. After some time I got the app to work and understood what React was really all about. It showed React uses Diffing, its modular, and you can utilize part of it in your code.
This app use React and useState hooks that track previous movements.
You can find the source code here at https://github.com/Sean-Char/tic-tac-toe and test the app here at https://xes-n-oes.herokuapp.com/