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houwq 38cd670902 Initial commit		2025-06-13 14:04:40 +08:00
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.github	Initial commit	2025-06-13 14:04:40 +08:00
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.nycrc	Initial commit	2025-06-13 14:04:40 +08:00
CHANGELOG.md	Initial commit	2025-06-13 14:04:40 +08:00
index.d.ts	Initial commit	2025-06-13 14:04:40 +08:00
index.js	Initial commit	2025-06-13 14:04:40 +08:00
LICENSE	Initial commit	2025-06-13 14:04:40 +08:00
package.json	Initial commit	2025-06-13 14:04:40 +08:00
README.md	Initial commit	2025-06-13 14:04:40 +08:00
tsconfig.json	Initial commit	2025-06-13 14:04:40 +08:00

README.md

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