Javascript Skills

Q: What is a Claude Code skill and how does the Javascript Skills skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Javascript Skills is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Engineering · Sub-category: languages · Last updated: 2026-07-26

lang:javascript

A comprehensive JavaScript style guide skill。When activated, it provides best-practice JavaScrip。Use when 需要设计创作、UI设计、海报制作、品牌视觉时使用。不适用于3D建模和动画制作。适用于独立开发者、企业团队和自动化工作流场景。

Security AStatic scan found no risk patternsHow grading works ›

About this skill (catalog notes)

Javascript Skills includes worked examples; 12 code blocks for direct copy-paste. At roughly 2,035 words the SKILL.md is on the longer end of the catalog distribution.

Source: github.com/thcjp/hermes-skills
Original author: thcjp
Indexed lastmod: 2026-07-26
Catalog position: Engineering · languages
Indexed related skills: 10

How Javascript Skills fits the catalog

Javascript Skills sits in the Engineering category under the languages sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

This skill activates when the user mentions or implies JavaScript in their request. Once activated, it:

What this skill does

Javascript Skills is a community-contributed Claude Code skill in the languages sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/javascript-skills/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Javascript Skills Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 161,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/javascript-skills
curl -L https://claudskills.com/skills/javascript-skills/SKILL.md \
  -o ~/.claude/skills/javascript-skills/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/javascript-skills/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/javascript-skills/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\javascript-skills\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Javascript Skills Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/javascript-skills/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Javascript Skills skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Javascript Skills skill?

Use Javascript Skills when your Claude Code task falls under the Engineering category — specifically in the languages area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Javascript Skills" or describe the task and let Claude pick). Browse related skills at /category/engineering/.

What is a Claude Code skill and how does the Javascript Skills skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Javascript Skills is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/thcjp/hermes-skills/blob/HEAD/clawhub-skills/downloaded/Development/javascript-skills/SKILL.md
Author: thcjp
Website: https://github.com/thcjp/hermes-skills

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

thcjp. (2026). Javascript Skills [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/javascript-skills/

BibTeX

@misc{javascript-skills-2026,
  author    = {thcjp},
  title     = {Javascript Skills [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/javascript-skills/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/javascript-skills.svg)](https://claudskills.com/skills/javascript-skills/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-07-26 — free static scan against the OWASP Agentic Skills Top 10.

The scan flagged 1 of 10 categories (execution), including lower-severity patterns. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
⚠ Execution
✓ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/javascript-skills/#security)

More Engineering skills

Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills

Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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