happy-dom

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

Key Features

• Implements various DOM features including:
  • Custom Elements (Web Components)
  • Declarative Shadow DOM
  • Mutation Observer
  • Tree Walker
  • Fetch API
  • And more...

Framework Support

Works with multiple frameworks and testing tools, including:

• Vitest fa-solid fa-up-right-from-square
• Bun fa-solid fa-up-right-from-square
• Jest fa-solid fa-up-right-from-square
• Testing Library fa-solid fa-up-right-from-square
• Google LitElement fa-solid fa-up-right-from-square
• Vue fa-solid fa-up-right-from-square
• React fa-solid fa-up-right-from-square
• Svelte fa-solid fa-up-right-from-square
• Angular fa-solid fa-up-right-from-square

Documentation

• Documentation fa-solid fa-up-right-from-square
• Getting started fa-solid fa-up-right-from-square
• Setup as Test Environment fa-solid fa-up-right-from-square