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.

Create React App is an officially supported way to create single-page React applications. It offers a modern build setup with no configuration.

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 …

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 can build a React app from scratch. The first step is to install a build tool like vite, parcel, or rsbuild.

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.

2025年3月19日 · 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.

2022年4月12日 · 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.

Run this command to create a React application named my-react-app: The create-react-app will set up everything you need to run a React application. Now you are ready to run your first real React application! Run this command to move to the my-react-app directory: A new browser window will pop up with your newly created React App!

In this comprehensive tutorial, we will guide you through the process of creating a React app from scratch. This tutorial is designed for developers who are new to React and want to learn the basics of building a React application.

2022年7月12日 · One of the most common command line tools for creating a new React application is Create React App (CRA). Create React App gives developers a React project structure, the possibility to use...