React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React is designed to let you seamlessly combine components written by independent people, teams, and organizations.

6 days ago · In this article we will say hello to React. We'll discover a little bit of detail about its background and use cases, set up a basic React toolchain on our local computer, and create and play with a simple starter app — learning a bit about how React works in the process.

Learn to become a modern React developer by following the steps, skills, resources and guides listed in this roadmap.

Mar 14, 2025 · A React developer uses their programming skills to create JavaScript-based applications for web or mobile environments. They typically specialize in front-end development, such as building user interfaces (UI).

Welcome to the React documentation! This page will give you an introduction to 80% of the React concepts that you will use on a daily basis. React apps are made out of components. A component is a piece of the UI (user interface) that has its own logic and appearance. A component can be as small as a button, or as large as an entire page.

Apr 12, 2022 · React (also known as React.js or ReactJS) is a free and open-source front-end JavaScript library for creating UI component-based user interfaces. React is maintained by Meta (previously Facebook) along with a community of individual developers and organizations.

Get started with your first React project using JavaScript, create custom components, and manage state and events.

React (sometimes spelled React.js or ReactJS) is one of the most popular JavaScript libraries to develop powerful, interactive web applications. You’ll learn how to start with React and build up to dynamic user interfaces. You’ll work with React specific concepts like: JSX, components, state, props, hooks, and more.

Mar 25, 2025 · React is completely transforming the Front-End Development landscape. Come master this powerful UI library, and learn career-ready skills with Udacity. You'll learn how to build declarative user interfaces for the web with React, and for iOS and Android with React Native.

This roadmap is your step-by-step guide to becoming a confident React developer. It’s packed with hands-on coding exercises and real-world projects to help you learn by building. Whether you. Pro tip: Pseudo code first, then code with ease. ...