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The skill registry for Claude, Codex, GitHub Copilot, and other AI agents.

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A full list of JavaScript operators with examples
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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.
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| Website | agentskills.codes | joshwcomeau.com |
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| Company | Startup from India · 1 - 9 employees · 2026 | — |
| Listed in |
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agentskills.codes is a free, open-source registry of reusable Agent Skills for Claude Code, Codex, GitHub Copilot, and other AI coding agents. Browse thousands of installable skills, inspect source health and capability scans, and add trusted capabilities with one command. Developers and teams...
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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
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