Skip to content
A declarative, efficient, and flexible JavaScript library for building user interfaces.
JavaScript HTML CSS C++ TypeScript CoffeeScript Other
Branch: master
Clone or download

Latest commit

Files

Permalink
Type Name Latest commit message Commit time
Failed to load latest commit information.
.circleci Fix wrong command in config.yml (#18624) Apr 16, 2020
.codesandbox chore: Build react-dom/server in codesandbox CI (#18679) Apr 20, 2020
.github remove an unused ISSUE_TEMPLATE.md (#18953) May 19, 2020
fixtures [Blocks] Scaffolding react-fetch + first pass at node implementation (#… May 12, 2020
packages eslint-plugin-react-hooks@4.0.3 May 26, 2020
scripts Make LegacyHidden match semantics of old fork (#18998) May 26, 2020
.editorconfig https link to editorconfig.org (#18421) Mar 29, 2020
.eslintignore Import React DevTools v4 Aug 28, 2019
.eslintrc.js Rename Flight to Transport (#18808) May 3, 2020
.gitattributes .gitattributes to ensure LF line endings when we should Jan 18, 2014
.gitignore Make Flow work with your editor (#18664) Apr 18, 2020
.mailmap Update .mailmap (#17177) Oct 28, 2019
.nvmrc Update nvmrc to the same one used in CI (#18623) Apr 15, 2020
.prettierignore Import React DevTools v4 Aug 28, 2019
.prettierrc.js Bump Prettier (#17811) Jan 9, 2020
.watchmanconfig .watchmanconfig must be valid json (#16118) Jul 12, 2019
AUTHORS Update authors for v16 (#10861) Sep 27, 2017
CHANGELOG.md Changelog for 16.13.1 Mar 19, 2020
CODE_OF_CONDUCT.md Adopt Contributor Covenant (#16613) Aug 29, 2019
CONTRIBUTING.md [Gatsby] "https://facebook.github.io/react/" -> "https://reactjs.org/" ( Sep 30, 2017
LICENSE Drop the year from Facebook copyright headers and the LICENSE file. (#… Sep 7, 2018
README.md chore: npm link more directly (#18428) Mar 29, 2020
SECURITY.md Create SECURITY.md (#15784) Jan 9, 2020
appveyor.yml Revert "Move MS Windows build to CircleCI (#17984)" (#18302) Mar 13, 2020
babel.config.js Babel 7 (#16297) Aug 9, 2019
dangerfile.js fix sizebot - point correctly to circleci artifact (#17975) Feb 4, 2020
netlify.toml add netlify toml file (#12350) May 20, 2018
package.json Revert "deps: update ESLint version to v7 (#18897)" (#18899) May 12, 2020
yarn.lock Revert "deps: update ESLint version to v7 (#18897)" (#18899) May 12, 2020

README.md

React · GitHub license npm version CircleCI Status PRs Welcome

React is a JavaScript library for building user interfaces.

  • Declarative: 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. Declarative views make your code more predictable, simpler to understand, and easier to debug.
  • Component-Based: Build encapsulated components that manage their own state, then compose them to make complex UIs. Since component logic is written in JavaScript instead of templates, you can easily pass rich data through your app and keep state out of the DOM.
  • Learn Once, Write Anywhere: We don't make assumptions about the rest of your technology stack, so you can develop new features in React without rewriting existing code. React can also render on the server using Node and power mobile apps using React Native.

Learn how to use React in your own project.

Installation

React has been designed for gradual adoption from the start, and you can use as little or as much React as you need:

You can use React as a <script> tag from a CDN, or as a react package on npm.

Documentation

You can find the React documentation on the website.

Check out the Getting Started page for a quick overview.

The documentation is divided into several sections:

You can improve it by sending pull requests to this repository.

Examples

We have several examples on the website. Here is the first one to get you started:

function HelloMessage({ name }) {
  return <div>Hello {name}</div>;
}

ReactDOM.render(
  <HelloMessage name="Taylor" />,
  document.getElementById('container')
);

This example will render "Hello Taylor" into a container on the page.

You'll notice that we used an HTML-like syntax; we call it JSX. JSX is not required to use React, but it makes code more readable, and writing it feels like writing HTML. If you're using React as a <script> tag, read this section on integrating JSX; otherwise, the recommended JavaScript toolchains handle it automatically.

Contributing

The main purpose of this repository is to continue to evolve React core, making it faster and easier to use. Development of React happens in the open on GitHub, and we are grateful to the community for contributing bugfixes and improvements. Read below to learn how you can take part in improving React.

Code of Conduct

Facebook has adopted a Code of Conduct that we expect project participants to adhere to. Please read the full text so that you can understand what actions will and will not be tolerated.

Contributing Guide

Read our contributing guide to learn about our development process, how to propose bugfixes and improvements, and how to build and test your changes to React.

Good First Issues

To help you get your feet wet and get you familiar with our contribution process, we have a list of good first issues that contain bugs which have a relatively limited scope. This is a great place to get started.

License

React is MIT licensed.

You can’t perform that action at this time.