capricorn86/happy-dom

capricorn86/happy-dom has 4,742 GitHub stars and 379 forks. GitHot measured +1 stars in 24 hours and +8 in 7 days. Last checked 2026-11-11 03:19 UTC. Last push 2026-11-02.

How these counts are measured

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

4,742 stars 379 forks +1 in 24h

What you can do

Custom Elements (Web Components)
Declarative Shadow DOM
Mutation Observer

Measured star growth

in 24h: +1
in 7 days: +8
in 15 days: Update delayed
in 1 month: Update delayed

Net star changes over overlapping periods, not daily totals. Missing measurements are left blank. Stars measure attention, not software quality.

README.md

Original

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

Documentation | Getting started | Setup as Test Environment

DOM Features

Custom Elements (Web Components)
Declarative Shadow DOM
Mutation Observer
Tree Walker
Fetch API

And much more..

Works With

Contributing

See Contributing Guide.

License

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