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happy-dom

★ 4,610 Open GitHub ↗

A JavaScript implementation of a web browser without its graphical user interface

// repository documentation

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<h1 align="center">
 <img alt="Happy DOM Logo" src="https://github.com/capricorn86/happy-dom/raw/master/docs/happy-dom-logo.jpg" />
</h1>

 A JavaScript implementation of a web browser without its graphical user interface.

<a href="https://github.com/capricorn86/happy-dom/wiki/">Documentation</a> | <a href="https://github.com/capricorn86/happy-dom/wiki/Getting-started">Getting started</a> | <a href="https://github.com/capricorn86/happy-dom/wiki/Setup-as-Test-Environment">Setup as Test Environment</a>

## DOM Features

- Custom Elements (Web Components)

- Declarative Shadow DOM

- Mutation Observer

- Tree Walker

- Fetch API

And much more..

## Works With

- [Vitest](https://vitest.dev/)
- [Bun](https://bun.sh)
- [Jest](https://jestjs.io/)
- [Testing Library](https://testing-library.com/)
- [Google LitElement](https://lit.dev/)
- [Vue](https://vuejs.org/)
- [React](https://reactjs.org)
- [Svelte](https://svelte.dev/)
- [Angular](https://angular.dev/)

## Sponsors

Sponsors

## Contributing

See [Contributing Guide](https://github.com/capricorn86/happy-dom/blob/master/CONTRIBUTING.md).

## License

happy-dom

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