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A full list of JavaScript operators with examples

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The API client you'll actually enjoy. Yaak is a fast, secure, and offline API client that works with Git.

Which is more popular?
Based on our record, Yaak.app should be more popular than JavaScript Operator Lookup. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | joshwcomeau.com | yaak.app |
| Pricing | — | |
| Company | — | 2025 |
| Listed in |
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No description of JavaScript Operator Lookup yet.
Yaak is a fast, offline-first API client that gets out of your way. No accounts, no sync, no telemetry. Store your API requests locally, end-to-end encrypted, and versioned with Git. Yaak is perfect for - Developers who prefer local tools over SaaS - Teams that version API requests in Git -...
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Recommendations tracked on public social media and blogs since March 2021.


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
Yaak [1] is a local-first desktop API client (Postman alternative) and I've been building MCP workflows around growth lately. I already have one for product that takes in a bunch of sources (feedback, PRs, my own tasks, etc) and makes it... - Source: Hacker News / 29 days ago
There's also Yaak ( https://yaak.app ), which is fully open-source & I think may be even better than Bruno. I haven't logged enough time with either to be certain, though -- that's uninformed suspicion and nothing more.... - Source: Hacker News / 30 days ago
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