Common Pitfall: The Loop Bug If you use var in a loop to create event listeners, every listener will point to the same final value. This happens because var does not create a new scope for each loop.

🚀 JAVASCRIPT MYTH: const means "completely immutable" 🚀 Many developers starting with JavaScript assume that declaring an array with const locks it down completely. Then, they run a line like arr [1 ...

All parts of Claude Code's system prompt, 27 builtin tool descriptions, sub agent prompts (Plan/Explore/Task), utility prompts (CLAUDE.md, compact, statusline, magic docs, WebFetch, Bash cmd, ...

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