Run results for: Object.prototype.hasOwnProperty vs obj.hasOwnProperty vs Object.hasOwn

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 131

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

obj.hasOwnProperty

23.9M/s

Object.hasOwn

19.7M/s

Object.prototype.hasOwnProperty

17.5M/s

View exact numbers

Test name	Executions per second
✓ obj.hasOwnProperty	23,871,952 Ops/sec
Object.hasOwn	19,655,934 Ops/sec
Object.prototype.hasOwnProperty	17,484,412 Ops/sec

Script Preparation code:

obj = {a: 42, b:66, c: 88}

Tests: