History

root 013fe673f3 flow like the river		2025-11-07 00:06:12 +01:00
..
.github	flow like the river	2025-11-07 00:06:12 +01:00
.eslintrc	flow like the river	2025-11-07 00:06:12 +01:00
.nycrc	flow like the river	2025-11-07 00:06:12 +01:00
CHANGELOG.md	flow like the river	2025-11-07 00:06:12 +01:00
index.d.ts	flow like the river	2025-11-07 00:06:12 +01:00
index.js	flow like the river	2025-11-07 00:06:12 +01:00
LICENSE	flow like the river	2025-11-07 00:06:12 +01:00
package.json	flow like the river	2025-11-07 00:06:12 +01:00
README.md	flow like the river	2025-11-07 00:06:12 +01:00
tsconfig.json	flow like the river	2025-11-07 00:06:12 +01:00

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