Instead of starting with the freeCodeCamp video, I would recommend doing the tic-tac-toe tutorial on the react website.
After you have done that, you can watch the freeCodeCamp videos, or do the React course on Codecademy.
And please learn Redux early on. It might be a little confusing, but flux architecture is a wonderful thing and you will be using it a lot later on. I recommend these videos: youtube.com/playlist?list=PLuBbNu0... for learning Redux.
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Instead of starting with the freeCodeCamp video, I would recommend doing the tic-tac-toe tutorial on the react website.
After you have done that, you can watch the freeCodeCamp videos, or do the React course on Codecademy.
And please learn Redux early on. It might be a little confusing, but flux architecture is a wonderful thing and you will be using it a lot later on. I recommend these videos: youtube.com/playlist?list=PLuBbNu0... for learning Redux.