History

BAKEYi 5ac33a6c87 运行初始化		2026-03-25 15:27:45 +08:00
..
.github	运行初始化	2026-03-25 15:27:45 +08:00
.eslintrc	运行初始化	2026-03-25 15:27:45 +08:00
.nycrc	运行初始化	2026-03-25 15:27:45 +08:00
CHANGELOG.md	运行初始化	2026-03-25 15:27:45 +08:00
LICENSE	运行初始化	2026-03-25 15:27:45 +08:00
README.md	运行初始化	2026-03-25 15:27:45 +08:00
index.d.ts	运行初始化	2026-03-25 15:27:45 +08:00
index.js	运行初始化	2026-03-25 15:27:45 +08:00
package.json	运行初始化	2026-03-25 15:27:45 +08:00
tsconfig.json	运行初始化	2026-03-25 15:27:45 +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