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 …

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 应用程序是由 组件 组成的。一个组件是 UI（用户界面）的一部分，它拥有自己的逻辑和外观。组件可以小到一个按钮，也可以大到整个页面。 React 组件是返回标签的 JavaScript 函数：

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 …

¡En este punto ya conoces los elementos básicos de como escribir código en React! Prueba el Tutorial para ponerlos en práctica y construir tu primera miniaplicación de React.

如果现有框架无法满足你应用的要求，或者你更喜欢自己构建框架，亦或者你只想学习 React 应用程序的基础知识，那么你可以选择从零开始构建 React 应用。

Dec 5, 2024 · React 19 包含了所有从 Canary 渠道引入的 React 服务器组件功能。 这意味着，现在可以将 React 19 作为 peer 依赖项来发布带有服务器组件的库，使用 react-server 导出条件 …

You can use as little or as much React as you need. Whether you want to get a taste of React, add some interactivity to an HTML page, or start a complex React-powered app, this section …

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 …

Dec 5, 2024 · In React Labs posts, we write about projects in active research and development. Since our last update, we’ve made significant progress on React Server Components, Asset …