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Found 459 Skills
JavaScript micro-optimizations and performance patterns. Use when optimizing loops, array operations, caching, or DOM manipulation. Includes Set/Map usage, early returns, and memory-efficient patterns.
Modern JavaScript (ES6-ES2025) patterns and best practices. Triggers on: JavaScript, ES6, ES2020, ES2022, ES2024, modern JS, refactor legacy, array methods, async/await, optional chaining, nullish coalescing, destructuring, spread, rest, template literals, arrow functions, toSorted, toReversed, at, groupBy, Promise, functional programming. Use when: writing new JavaScript code, refactoring legacy code, modernizing codebases, implementing functional patterns, or reviewing JS for performance and readability. Proactively apply when creating web applications, Node.js services, or any JavaScript project.
Comprehensive JavaScript reference covering 33+ essential concepts every developer should know. From fundamentals like primitives and closures to advanced patterns like async/await and functional programming. Use when explaining JS concepts, debugging JavaScript issues, or teaching JavaScript fundamentals.
Expo React Native JavaScript best practices for clean code, functional components, performance optimization, and Expo Router navigation.
Explore helpful color utility functions, like RGB to HSL, HEX to RGB, and HSL to HEX, generated with the assistance of GitHub Copilot.
Core JavaScript language features, patterns, and best practices including ES6+ syntax, async/await, closures, prototypes, and modern development patterns
Sentry JavaScript frontend bug pattern review based on real production errors. Use when reviewing React/TypeScript frontend code for common bug patterns. Trigger keywords: "javascript bug review", "frontend errors", "react error patterns", "sentry frontend bugs".
JavaScript/Node.js tooling conventions. Use when working on JS/TS files, package.json, or Node.js projects. Enforce pnpm for package management. NOT for Python projects, backend-only work, or shell scripts.
JavaScript language fundamentals. Covers ES6+, modules, async patterns. Use when working with plain JS projects without TypeScript. USE WHEN: user mentions "javascript", "ES6", "async/await", "promises", "modules", asks about "destructuring", "spread operator", "arrow functions", "ESM vs CommonJS" DO NOT USE FOR: TypeScript projects - use `typescript` skill instead DO NOT USE FOR: Node.js runtime - use `nodejs` skill instead DO NOT USE FOR: Browser APIs - use framework-specific skills
JavaScript standards for Shopify themes - custom elements, file structure, and best practices. Use when writing JavaScript for Shopify theme sections.
This skill should be used when the user asks to "write JavaScript code", "follow JavaScript style guide", "format JS files", "create Node.js scripts", or needs guidance on JavaScript/Node.js coding standards and best practices.
Expert-level JavaScript development with modern ES2024+ features, Node.js, npm ecosystem, and best practices