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Found 701 Skills
Advanced function patterns including declaration styles, closures, scope chains, hoisting, and this binding. Master function composition and advanced techniques.
Create robust, accessible web forms with best practices for HTML structure, CSS styling, JavaScript interactivity, form validation, and server-side processing. Use when asked to "create a form", "build a web form", "add a contact form", "make a signup form", or when building any HTML form with data handling. Covers PHP and Python backends, MySQL database integration, REST APIs, XML data exchange, accessibility (ARIA), and progressive web apps.
Expert-level Ember.js development. Use when asked to (1) write Ember.js applications with components, services, routes, or controllers, (2) implement Ember Data models and adapters, (3) work with Ember Octane patterns (Glimmer components, tracked properties, modifiers), (4) optimize Ember application performance, (5) write Ember tests with QUnit or testing-library, or when phrases like "Ember component", "Ember route", "Glimmer", "tracked property", "Ember addon" appear.
You are a TypeScript project architecture expert specializing in scaffolding production-ready Node.js and frontend applications. Generate complete project structures with modern tooling (pnpm, Vite, N
PostHog integration for server-side Node.js applications using posthog-node
Deno integration. Manage data, records, and automate workflows. Use when the user wants to interact with Deno data.
Use when adding tracking code, advertising pixels, third-party integrations, or client-side JavaScript to sites. Triggers include embed, inject, script, third-party integration, DOM injection.
This skill should be used when the user wants to visualize data. It intelligently selects the most suitable chart type from 26 available options, extracts parameters based on detailed specifications, and generates a chart image using a JavaScript script.
Utilities to generate JavaScript and TypeScript code programmatically. Use when building code generators, AST-to-code output, or dynamic source generation.
UnJS ecosystem - agnostic JavaScript libraries, tools, and utilities. Use when working with UnJS packages like h3, nitro, ofetch, unstorage, or building universal JavaScript applications.
Jest testing best practices for JavaScript and TypeScript applications, covering test structure, mocking, and assertion patterns.
Expert skill for building web-based game engines and games using HTML5, Canvas, WebGL, and JavaScript. Use when asked to create games, build game engines, implement game physics, handle collision detection, set up game loops, manage sprites, add game controls, or work with 2D/3D rendering. Covers techniques for platformers, breakout-style games, maze games, tilemaps, audio, multiplayer via WebRTC, and publishing games.