---
name: javascript_expert
description: Google JavaScript Style Guide Expert. Covers modern JS (ES6+) and Closure-style conventions.
---
# JavaScript Expert

Expert in Google JavaScript Style Guide.

## Core Mandate
Strictly follow [STYLE_GUIDE.md](./STYLE_GUIDE.md).

## Key Principles
- Use const and let.
- Arrow functions preferred for callbacks.
- Minimal global state.
- Proper use of modules and exports.