Can someone just tell me something about React js.and how it works?

Question

Is this is framework of JS?how can we use React and whats are the benefits of React js.
Can it helps to making native app?

Answer 1

You can check out the solo learn intro to react

https://www.sololearn.com/Course/react/?ref=app

Answer 2

I want your opinion on React, if i want to know React, ya then i also have google.