Many of them have taken to Twitter to tell the world how helpful they found it. Before you know it, you'll have written eight interactive React applications! You’ll be in fantastic company: over 100,000 students enrolled in Bob’s original React course. This course is filled with coding challenges that you'll complete by writing React code directly inside the Scrimba screencasts. In short, it is one of the most popular JavaScript libraries in the world.

React is also used by Netflix, The New York Times, AirBnb, Discord, DropBox, and many other big companies. It was created by the developers at Facebook for use in their own products, including Facebook, Instagram, and WhatsApp. React is a free and open-source front-end JavaScript library. With Scrimba’s head of education, Bob Ziroll as a guide, you’ll get to know all the bang-up-to-date features of React, and fix them firmly in your memory by using them to create hands-on projects. In this 143-part interactive tutorial, you'll learn how to build dynamic, interactive web applications with React.js.

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