React is a JavaScript library for rendering interfaces in single-page and mobile applications.

Is learning React worth it?

Yes! React is one of the most popular JavaScript libraries in the world right now. With extensive documentation and a robust community, it has also been adopted on the enterprise level. In other words, if you learn React you have a better chance at landing a job than those who learn something like Vue (which has not seen a lot of enterprise adoption).

Do I need to know JavaScript before I learn React?

Yes, React is a JavaScript library. Without a solid understanding of JavaScript fundamentals, it will be difficult to learn. Take the time to learn how JavaScript works and you will find your React journey much more enjoyable. Although it's tempting to skip through the boring parts of JavaScript and go straight to React, it will catch up with you and you'll quickly find yourself at square one!

Is it possible to learn React in a day?

Yes, you can learn React in a day but that will be just the basics. To have a solid grasp of React, expect to dedicate a few weeks up to a few months to learning this complex JavaScript library.