
The library for web and native user interfaces.
React ·
React is a JavaScript library for building user interfaces.
Learn how to use React in your 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 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:
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. Contributing
The main purpose of this repository is to continue evolving 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 that have a relatively limited scope. This is a great place to get started. License
React is MIT licensed.
Bug: [eslint-plugin-react-hooks] exhaustive-deps false positive on "unnecessary" dependency if its a React component
Bug: [Flight] Client throws `object null is not iterable` reviving an AggregateError whose inner errors have no stack frames
[Compiler Bug]: babel seems to not apply `babel-plugin-react-compiler`
[DevTools Bug]: Extension reloads on client-side navigation
[Compiler Bug]: React Compiler bug: closure is lost in `useEffect` when component is returned from a factory (causes `ReferenceError: <identifier> is not defined`)
Bug: RSC performance track measures negative end time for aborted or errored components
Bug: o banco de dados do supabase está dando erro
Bug: ViewTransition fails to animate shared elements inside RTL layouts
[React 19] Controlled `<select>` component is subject to automatic form reset
"NotFoundError: Failed to execute 'removeChild' on 'Node'" when using React.Fragment <></> with Chrome extension which does not modify the DOM tree below the root div of the React app