# Javascript

> Use for JavaScript or TypeScript-specific implementation involving Node.js, browser APIs, modules, async flows, package tooling, or language-level concerns.

- Skill: `rhenter/javascript` (Agent Skill)
- Install (CLI): `npx skillmds@latest add rhenter/javascript`
- Raw SKILL.md: https://api.skillmd.com/api/skills/rhenter/javascript/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: rhenter (https://skillmd.com/u/rhenter)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/rhenter/javascript

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# Javascript

- Prefer clear modern JavaScript/TypeScript over clever code.
- Preserve runtime, module system, formatter, linter, and package manager.
- Handle async behavior and errors explicitly.
- Avoid hidden global state and implicit mutation.