sickn33/antigravity-awesome-skills/javascript-mastery

Claude Code and agent skill by sickn33/antigravity-awesome-skills

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Checking that the SKILL.md file is still in the repository.

33+ essential JavaScript concepts every developer should know, inspired by [33-js-concepts](https://github.com/leonardomso/33-js-concepts).

Install

npx vskill@latest install sickn33/antigravity-awesome-skills/javascript-mastery

SKILL.md

🧠 JavaScript Mastery

33+ essential JavaScript concepts every developer should know, inspired by 33-js-concepts.

Detailed Guide

Read the detailed guide before executing this skill. It retains the complete procedure and reference material. Treat its safety, prerequisites, and validation requirements as mandatory. For focused work, load the relevant sections; for end-to-end work, read the guide completely.

When to Use This Skill

Use this skill when:

  • Explaining JavaScript concepts
  • Debugging tricky JS behavior
  • Teaching JavaScript fundamentals
  • Reviewing code for JS best practices
  • Understanding language quirks

Limitations

  • Use this skill only when the task clearly matches the scope described above.
  • Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
  • Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

Security

  • Security scanPassed, 100 of 100Pattern checks on the skill's files.
  • Model reviewPassed

Quality evaluation

  • Task evaluationWarning, 89 of 100Marginal. 1 run. Evaluated 8 months ago.

Source

Popularity

Repository stars
27,557
Repository forks
4,640
Repository npm downloads, 7 days
11,772
7-day trend score
73

Stars and forks are for the whole GitHub repository, not this skill alone. Downloads are for the repository's npm package. Refreshed 21 Mar 2026, 7 months ago.

Works with

Any agent vskill installs to: 56 targets in all. These 39 have a page on this site.

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