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@developer.mozilla.org

📬 Check own properties safely with Object.hasOwn() A safer alternative to hasOwnProperty, works even on objects with a null prototype. Baseline since 2022 ✅ Learn more 👇 developer.mozilla.org/en-US/docs/...

8/5/26, 7:00 pm3 reposts46 likes

Lasse Guldhammer

@lasseguldhammer.bsky.social

9 May

Can't you do the same with Reflect.has()?

Ashley Claymore

@ashley-c.bsky.social

10 May

`Reflect.has(obj, prop)` is the equivalent of `prop in obj` and will (usually) search through the prototype chain. So can return true when `Object.hasOwn` returns false.