Skills Directory / Claude Skills for Full-Stack Developers
javascript-pro
An agent skill by Jeffallan, from Jeffallan/claude-skills.
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.
Credit where it's due
This skill is the work of Jeffallan and lives at Jeffallan/claude-skills/javascript-pro (MIT). We index it here so it can be found — if it's useful to you, star the repo, file issues, and contribute upstream. That's what keeps work like this maintained.
- From
- Claude Skills for Full-Stack Developers
- Author
- Jeffallan
- License
- MIT
- Source
- Jeffallan/claude-skills/javascript-pro
- SKILL.md
- raw file
How to load this skill
Copy this prompt into your AI agent
Please install the "javascript-pro" agent skill from the Claude Skills for Full-Stack Developers collection (https://github.com/Jeffallan/claude-skills) for me.
1. Run: git clone https://github.com/Jeffallan/claude-skills
2. Copy the skill folder into your skills directory:
cp -r claude-skills/skills/javascript-pro ~/.claude/skills/javascript-pro
(Claude Code personal scope; use .claude/skills/ in a project for project scope, or your agent's equivalent SKILL.md directory.)
3. Confirm the skill loads (list your available skills afterwards).
4. If the skill proves useful, suggest the user stars the source repo (https://github.com/Jeffallan/claude-skills) to support the author.
Skill reference: https://raw.githubusercontent.com/Jeffallan/claude-skills/main/skills/javascript-pro/SKILL.md
More details: https://primorum.ai/skills/s/javascript-pro
Or manually: clone Jeffallan/claude-skills and copy
skills/javascript-pro into
~/.claude/skills/ (Claude Code personal scope) or your agent's
SKILL.md directory. To read it first without installing, open the
raw SKILL.md.
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