> Update: This article is now part of my book “React.js Beyond The Basics”. > Read the updated version of this content and more about React at jscomplete.com/react-beyond-basics [https://jscomplete.com/g/react-fundamentals] . This article is not going to cover what React is or why you should learn it [https://medium.freecodecamp.org/yes-react-is-taking-over-front-end-development-the-question-is-why-40837af8ab76] . Instead,