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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Browser: Chrome 103

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Object.prototype.hasOwnProperty	3998879.0 Ops/sec
obj.hasOwnProperty	7912684.5 Ops/sec
Object.hasOwn	4041140.0 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')