| .. | ||
| .github | ||
| .nycrc | ||
| CHANGELOG.md | ||
| eslint.config.mjs | ||
| index.d.ts | ||
| index.js | ||
| LICENSE | ||
| package.json | ||
| README.md | ||
| tsconfig.json | ||
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