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Learn React.js through a series of practical exercises & examples and finally deploy your own app online.

https://www.udemy.com/course/reactjs-101-bootcamp-your-syntax-to-success-by-jerome-morales/

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React Prerequisites

https://www.udemy.com/course/react-prerequisites-for-beginners-part-1/

Language: English (US)

Learn how to use React and Three.js together! From 3D basics to projects that can be used in the workplace.

https://www.udemy.com/course/react-three-fiberr-3f/

This Course is the most updated course on React Native on internet.

I've heard people saying: "React is the best thing happened in the world of web development."  Well, I let you judge if it's the best thing or not, but it definitely is a good thing. At least having it in your resume, can be the best thing happened in it.