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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 OPR/100.0.0.0 (Edition beta)

Browser: Opera 100

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Object.prototype.hasOwnProperty	2582931.2 Ops/sec
obj.hasOwnProperty	4840743.5 Ops/sec
Object.hasOwn	2655043.5 Ops/sec

Script Preparation code:

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

Tests:

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