A polyfill for Custom Elements builtin extends

µhtml based Custom Elements

✩ Automates responsive resizing ✩

Gremlins tracker for Visual Studio Code: reveals invisible whitespace and other annoying characters

A curated list of Grid interop issues

a command-line tool that computes optimal image widths to put in srcset attributes of responsive images

Nutrition Cards for Accessible Components

A very lightweight and flexible accessible modal dialog script.

🍟 The definitive front-end performance guide

🎮 The only Front-End Performance Checklist that runs faster than the others

WAI-ARIA tab plugin without dependencies.

Intersection Observer

Easily add ANSI colors to your text and symbols in the terminal. ansi-colors is the official ansi styling library for gulp. Used by hundreds of projects, including enquirer, vscode, codeql, azure d…

💦 CLI tool for making HTML presentations with Remark.js using Markdown

▶️ Remark cli

Modern DOM functionalities for every browser

⏳ Modern JavaScript date utility library ⌛️

A CSS and JS starter kit for 20 Minutes web projects

Flight rules for git

A proxy to safely communicate to cross-domain iframes in javascript

Resize an iframe responsively depending on the height of its content and the width of its container.

Catch CSS curve balls.

The Node.js implementation of KSS: a methodology for documenting CSS and generating style guides

Assert that an HTML string looks approximately the same as another HTML

To discuss about pagination issues on the Web

One property, two values, endless possiblities