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 …

欢迎来到 React 文档！本章节将介绍你每天都会使用的 80% 的 React 概念。

Quick Start 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 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 …

Installation React has been designed from the start for gradual adoption. 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 …

React は、再度コンポーネントの関数を呼び出します。 今度は count が 1 になっています。 次の呼び出しでは 2 になっています。 次々と増えていきます。 同じコンポーネントを複数の場所でレン …

React Reference Overview This section provides detailed reference documentation for working with React. For an introduction to React, please visit the Learn section. The React reference …

React Versions The React docs at react.dev provide documentation for the latest version of React. We aim to keep the docs updated within major versions, and do not publish versions for each minor or …

Your First Component Components are one of the core concepts of React. They are the foundation upon which you build user interfaces (UI), which makes them the perfect place to start your React …

React 文档中的大部分页面都包含这样的 sandbox。 除 React 文档以外，还存在许多支持 React 的在线代码编辑器：例如 CodeSandbox， StackBlitz，或者 CodePen。 想要在本地尝试 React，你可以 …