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name: javascript-pro description: Use when Writes, debugs, and refactors JavaScript code using modern ES2023+ features, async/await patterns, ESM module systems, and Node.js APIs.

Javascript Pro

Writes, debugs, and refactors JavaScript code using modern ES2023+ features, async/await patterns, ESM module systems, and Node.js APIs. Use when building vanilla JavaScript applications, implementing Promise-based async flows, optimising browser or Node.js performance, working with Web Workers or Fetch API, or reviewing .js/.mjs/.cjs files for correctness and best practices. — One of 66 full-stack developer skills in Jeff Allan's claude-skills plugin (MIT, 9.4k stars).

What you get

• Public GitHub repo (Jeffallan/claude-skills)
• the skills/javascript-pro folder with SKILL.md and references. Install via /plugin install fullstack-dev-skills@jeffallan.

Customize your output

• Fork the repo and extend the skill's reference files for your own stack conventions.

Example output

Activates on a matching request (e.g. building or reviewing Javascript Pro code) and can chain with other skills in the pack.

Best for

Full-stack developers and engineering teams using Claude Code.