React Native and Expo let you build apps in React for Android, iOS, and more. They look and feel native because their UIs are truly native.

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. Tip: Sign in to track your progress. Our "Show …

Aug 18, 2025 · 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 …

React can be used to develop single-page, mobile, or server-rendered applications with frameworks like Next.js and React Router.

In this tutorial, we build a tic-tac-toe game in React. You might be tempted to skip it because you’re not building games — but give it a chance. The techniques you’ll learn in the tutorial are fundamental to …

Dec 6, 2025 · React is a powerful JavaScript library for building fast, scalable front-end applications. Created by Facebook, it's known for its component-based structure, single-page applications (SPAs), …

This ReactJS tutorial includes all of the most recent updates up to version 18.2.0 and covers every topic, from fundamental to advanced. React is the most recommended JavScript library to learn now …

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 …

Jun 9, 2025 · React is a JavaScript -based UI development library. Although React is a library rather than a language, it is widely used in web development. The library first appeared in May 2013 and is …

Jul 23, 2025 · The current stable version of ReactJS is 18.2.0, released on June 14, 2022. The library continues to evolve, introducing new features with each update. How does React work? React …

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. Start learning React now

Head to the Quick Start guide for a tour of the most important React concepts you will encounter every day.

React makes it painless to create interactive UIs. Design simple views for each state in your application, and React will efficiently update and render just the right components when your data changes. …

Jul 12, 2025 · React is the most popular JavaScript library for building user interfaces. It is fast, flexible, and it also has a strong community sitting online to help you every time.

React has idioms — or rules — for how to express patterns in a way that is easy to understand and yields high-quality applications: Components and Hooks must be pure – Purity makes your code …

Oct 3, 2025 · ReactJS is a component-based JavaScript library used to build dynamic and interactive user interfaces. It simplifies the creation of single-page applications (SPAs) with a focus on …

If you want to build your own solutions, see our guide to build a React app from Scratch for instructions on how to set up a new React project starting with a build tool like Vite, Parcel, or RSbuild. If you’re a …

Jul 23, 2025 · ReactJS, often referred to as React, is a popular JavaScript library developed by Facebook for building user interfaces. It emphasizes a component-based architecture, where UIs are …

React is a JavaScript library for rendering user interfaces (UI). UI is built from small units like buttons, text, and images. React lets you combine them into reusable, nestable components. From web sites …

Mar 16, 2023 · In this post, we would like to give you a tour of the new site. The new React site (react.dev) teaches modern React with function components and Hooks. We’ve included diagrams, …