JSPM

W3.CSS is a modern CSS framework with built-in responsiveness

Email address validation using the regex from the specs for an InputHTMLElement

A Node.js module to notify Valimate when your local app instance is running

Automated HTML validation tool

Raw JSON data for WAI-ARIA 1.1 roles, attributes (states & properties), and value types

W3.CSS is a modern CSS framework with built-in responsiveness

Validate HTML with vnu.jar locally

w3 validator command line tool

🎨 Provides common Color-related TypeScript types. 🌈

Validate HTML with vnu.jar locally

Node.js wrapper for W3 Validator

Test if a given name might override a property of a DOM Node marked as [OverrideBuiltins]