A JavaScript implementation of various web standards, for use with Node.js

A Node.js implementation of the CSS Object Model CSSStyleDeclaration interface

An implementation of the WHATWG URL Standard in JavaScript

Sniff the encoding from a HTML byte stream

An implementation of the Unicode UTS #46: Unicode IDNA Compatibility Processing.

Parse data: URLs

Auto-generate JS class structures for Web IDL specifications

Implements the Web IDL algorithms for converting to and from JavaScript values

Parses, serializes, and manipulates MIME types, according to the WHATWG MIME Sniffing Standard