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

Run details:

User agent: Mozilla/5.0 (X11; CrOS x86_64 14092.77.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.107 Safari/537.36

Browser: Chrome 93

Operating system: Chrome OS 14092.77.0

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Object.prototype.hasOwnProperty	741886.9 Ops/sec
obj.hasOwnProperty	1630950.6 Ops/sec
Object.hasOwn	837877.2 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')