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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/102.0.5005.87 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 102

Operating system: iOS 15.5

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Object.prototype.hasOwnProperty	8242030.0 Ops/sec
obj.hasOwnProperty	14828660.0 Ops/sec
Object.hasOwn	7234740.5 Ops/sec

Script Preparation code:

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

AخA
 
obj = {a: 42, b:66, c: 88}

Tests:

Object.prototype.hasOwnProperty
Object.prototype.hasOwnProperty.call(obj, 'b');
Object.prototype.hasOwnProperty.call(obj, 'b');
obj.hasOwnProperty
obj.hasOwnProperty('b');
obj.hasOwnProperty('b');
Object.hasOwn
Object.hasOwn(obj, 'b')
Object.hasOwn(obj, 'b')