name	javascript-mastery
description	ALWAYS use this when the request matches Javascript Mastery: 33+ essential JavaScript concepts every developer should know, inspired by [33-js-concepts](https://github.com/leonardomso/33-js-concepts).

🧠 JavaScript Mastery

Start with:

Then load only the inherited docs, scripts, assets, examples, or detailed instructions that match the user's actual task.

Read references/full-skill-instructions.md only when the task needs the full original upstream guidance.
Prefer bundled scripts for deterministic or repetitive operations when they exist.
Reuse bundled assets instead of inventing substitutes when assets are present.
Keep final answers aligned with this skill's frontmatter trigger, Senior Master standard, and Codex strict review gate.

name	javascript-mastery
description	ALWAYS use this when the request matches Javascript Mastery: 33+ essential JavaScript concepts every developer should know, inspired by [33-js-concepts](https://github.com/leonardomso/33-js-concepts).

Start with:

Then load only the inherited docs, scripts, assets, examples, or detailed instructions that match the user's actual task.

Read references/full-skill-instructions.md only when the task needs the full original upstream guidance.
Prefer bundled scripts for deterministic or repetitive operations when they exist.
Reuse bundled assets instead of inventing substitutes when assets are present.
Keep final answers aligned with this skill's frontmatter trigger, Senior Master standard, and Codex strict review gate.

javascript-mastery