A design language and skill set that teaches AI coding tools a shared design vocabulary, with commands like polish, audit, and critique to stop AI-generated frontends from looking generic.
An open-source library of 461+ DESIGN.md files — structured design system specs covering colors, typography, and components that AI coding agents read to generate consistent UI.
A catalog of 150+ real brand DESIGN.md files — drop one into your AI coding agent prompt and it generates UI with accurate brand colors, fonts, and component patterns.
A reference showing how to replace common jQuery patterns with plain vanilla JavaScript. Snippets are grouped by the browser support you need, making it easy to drop dependencies and write lighter, modern code.
The JavaScript reference serves as a repository of facts about the JavaScript language. The entire language is described here in detail. As you write JavaScript code, you'll refer to these pages often (thus the title "JavaScript reference").
HTML (HyperText Markup Language) is the most basic building block of the Web. It defines the meaning and structure of web content. Other technologies besides HTML are generally used to describe a web page's appearance/presentation (CSS) or functionality/behavior (JavaScript).
Events are fired to notify code of "interesting changes" that may affect code execution. These can arise from user interactions such as using a mouse or resizing a window, changes in the state of the underlying environment (e.g., low battery or media events from the operating system), and other caus
Use this CSS reference to browse an alphabetical index of all of the standard CSS properties, pseudo-classes, pseudo-elements, data types, functional notations and at-rules. You can also browse key CSS concepts and a list of selectors organized by type. Also included is a brief DOM-CSS / CSSOM refer
A semantic search tool for discovering and inspecting structured entity data.
