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A full list of JavaScript operators with examples

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Ready-to-use workflows, templates and skills for Claude Code, Codex CLI, Windsurf, Cursor, Antigravity & more AI coding agents. Copy-paste CLAUDE.md playbooks.

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Based on our record, JavaScript Operator Lookup seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | joshwcomeau.com | claudecodehq.com |
| Pricing | — | |
| Company | — | Startup from Romania · 1 - 9 employees · 2026 |
| Listed in |
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Claude Code Playbooks is a free, open-source directory of community-tested workflows, templates and skills for Claude Code and other AI coding agents. Every playbook is a real-world use case, tested by the community and curated on this directory so anyone can replicate it. Built for...
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If you replace your || with ?? You should get the behaviour you are after. This is a good reference for what the operators do in js: https://joshwcomeau.com/operator-lookup. Source: about 5 years ago
Tracking Claude Code Playbooks since Feb 2026.
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