Admin

name	type	size	perms	modified	actions
[parent directory]
.github/	dir	-	0775	2026-09-15 05:26:04
.eslintrc	file	43 B	0664	2025-02-15 17:20:43	edit
.nycrc	file	216 B	0664	2025-02-15 17:20:44	edit
CHANGELOG.md	file	2,579 B	0664	2025-02-15 17:20:44	edit
index.d.ts	file	117 B	0664	2025-02-15 17:20:45	edit
index.js	file	206 B	0664	2025-02-15 17:20:44	edit
LICENSE	file	1,083 B	0664	2025-02-15 17:20:44	edit
package.json	file	2,283 B	0664	2025-02-15 17:20:44	edit
README.md	file	1,613 B	0664	2025-02-15 17:20:44	edit
tsconfig.json	file	73 B	0664	2025-02-15 17:20:44	edit

editing: README.md

# hasown <sup>[![Version Badge][npm-version-svg]][package-url]</sup>

[![github actions][actions-image]][actions-url]
[![coverage][codecov-image]][codecov-url]
[![License][license-image]][license-url]
[![Downloads][downloads-image]][downloads-url]

[![npm badge][npm-badge-png]][package-url]

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

## Example

```js
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`

[package-url]: https://npmjs.org/package/hasown
[npm-version-svg]: https://versionbadg.es/inspect-js/hasown.svg
[deps-svg]: https://david-dm.org/inspect-js/hasOwn.svg
[deps-url]: https://david-dm.org/inspect-js/hasOwn
[dev-deps-svg]: https://david-dm.org/inspect-js/hasOwn/dev-status.svg
[dev-deps-url]: https://david-dm.org/inspect-js/hasOwn#info=devDependencies
[npm-badge-png]: https://nodei.co/npm/hasown.png?downloads=true&stars=true
[license-image]: https://img.shields.io/npm/l/hasown.svg
[license-url]: LICENSE
[downloads-image]: https://img.shields.io/npm/dm/hasown.svg
[downloads-url]: https://npm-stat.com/charts.html?package=hasown
[codecov-image]: https://codecov.io/gh/inspect-js/hasOwn/branch/main/graphs/badge.svg
[codecov-url]: https://app.codecov.io/gh/inspect-js/hasOwn/
[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/hasOwn
[actions-url]: https://github.com/inspect-js/hasOwn/actions

cancel