React is a JavaScript library for building user interfaces. React is used to build single-page applications. React allows us to create reusable UI components.
If you’re looking for an easy-to-follow and beginner-friendly guide to React, the React Tutorial from W3Schools is a fantastic place to start! This free, interactive course introduces you to the fundamentals of React, one of the most popular JavaScript libraries for building modern web applications. You’ll learn how components work, how to manage state, how to handle events, and how to interact with the virtual DOM, all with clear explanations and practical examples. Plus, with W3Schools’ hands-on code editor, you can write and test React code directly in your browser—no setup required! Whether you’re new to React or just brushing up your skills, this tutorial is an excellent resource.