v21.0.1

happy-dom

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.

jsdom dom browser custom elements web components html whatwg w3c

Website Repository

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Dependencies (7)

ws ^8.21.0
entities ^7.0.1
@types/ws ^8.18.1
@types/node >=20.0.0
whatwg-mimetype ^3.0.0
buffer-image-size ^0.6.4
@types/whatwg-mimetype ^3.0.2

Dev Dependencies (7)

chalk ^5.4.1
madge ^8.0.0
vitest ^4.0.16
prettier 3.3.3
@vitest/ui ^4.0.16
typescript ^5.8.3
@webref/css 6.6.2

Package Info

License

MIT

Last Publish

October 12, 2026

Unpacked Size

8.74 MB

Total Files

3058

Issue Tracker

Report a bug

Maintainers (1)

davidortner david@ortner.se