chris/beachPartyBalloons

chris 746868d720 Add 'main-site/' from commit '5cefb4d1618bc54ae0e86830421a8c911900302c'

git-subtree-dir: main-site
git-subtree-mainline: 4d1daa39101c0a85ca6d916f1c31139faf39632a
git-subtree-split: 5cefb4d1618bc54ae0e86830421a8c911900302c

2026-04-13 19:22:17 -04:00

1.6 KiB

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hasown

A robust, ES3 compatible, "has own property" predicate.

Example

const assert = require('assert');
const hasOwn = require('hasown');

assert.equal(hasOwn({}, 'toString'), false);
assert.equal(hasOwn([], 'length'), true);
assert.equal(hasOwn({ a: 42 }, 'a'), true);

Tests

Simply clone the repo, npm install, and run npm test