📖 documentation for modern JavaScript

A tool for writing better scripts

🔰 Utilise Shadow DOM in React with all the benefits of style encapsulation.

Move and resize windows on macOS with keyboard shortcuts and snap areas

🔥 Save Your Code in an Emergency

HyperFormula is an open-source headless spreadsheet for business web apps. It comes with over 400 formulas, CRUD operations, undo-redo, clipboard support, and sorting.

A lightweight emoji picker for the modern web

🎉 Triage Party: massively multi-player GitHub triage 🎉

ESM-powered frontend build tool. Instant, lightweight, unbundled development. ✌️

Shims for new ES modules features on top of the basic modules support in browsers

Focus Traversal API polyfill.

Easily include external HTML into your pages.

JavaScript views; done as painfully as possible

React's Hooks API implemented for web components 👻

A base custom element class with a reliable `parsedCallback` method.

importAs() and HTML modules proof-of-concept

Experimental DOM feature suggestion for applying bulk property updates to elements

Accessibility Object Model

◘ A tiny view + state management solution using innerHTML

Defining custom attributes that provide rich mixin behavior

CSS Element-Queries aka Container Queries. High-speed element dimension/media queries in valid css.

Starcounter is an in-memory database application engine.

Problems and solutions dealing with Google Polymer 1.x

Mirror of https://hg.css-houdini.org/drafts

HTML Standard

Create Fermi Estimates and Perform Monte Carlo Estimates

CSS Grid Layout Examples

Placing labels on a timeline without overlap.

An overview of the device integration HTML5 APIs