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.

By now, you know the basics of how to write React code! Check out the Tutorial to put them into practice and build your first mini-app with React.

React (also known as React.js or ReactJS) is a free and open-source front-end JavaScript library [5][6] that aims to make building user interfaces based on components more "seamless". [5] . It is maintained by Meta (formerly Facebook) and a community of individual developers and companies. [7][8][9]

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. Our "Show React" tool makes it easy to demonstrate React. It shows both the code and the result.

If you want to build a new app or website with React, we recommend starting with a framework. If your app has constraints not well-served by existing frameworks, you prefer to build your own framework, or you just want to learn the basics of a React app, you …

Apr 15, 2025 · Scrimba's Learn React course is the ultimate React 101 — the perfect starting point for any React beginner. Learn the basics of modern React by solving 140+ interactive coding challenges and building eight fun projects.

Apr 18, 2025 · React is a JavaScript Library known for front-end development (or user interface). It is popular due to its component-based architecture, Single Page Applications (SPAs), and Virtual DOM for building web applications that are fast, efficient, and scalable.

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.

Nov 13, 2020 · React is a JavaScript library that aims to simplify the development of visual interfaces. Developed at Facebook and released to the world in 2013, it drives some of the most widely used apps, powering Facebook and Instagram among countless other applications.

Jan 28, 2022 · ReactJS (aka React) is an open-source JavaScript-based user interface library. It is insanely popular in web development communities today. React Native is equally popular among mobile application developers. In this article, we will look at a …