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. The goal of Happy DOM is to emulate enough of a web browser to be useful for testing, scraping web sites, and server-side rendering. Happy DOM focuses heavily on performance and can be used as an alternative to JSDOM. Happy DOM now supports Declarative Shadow DOM which can be used for server-side rendering of web components. This package makes it possible to use Happy DOM with Jest.

Features

  • Custom Elements (Web Components)
  • Shadow Root (Shadow DOM)
  • Declarative Shadow DOM
  • Mutation Observer
  • Tree Walker
  • Works with Google LitHTML

Project Samples

Happy DOM Screenshot 1

Project Activity

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