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/605.1.15 (KHTML, like Gecko) Version/15.6 Safari/605.1.15

Browser: Safari 15

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Object.prototype.hasOwnProperty	2429422.8 Ops/sec
obj.hasOwnProperty	5022000.0 Ops/sec
Object.hasOwn	2322910.5 Ops/sec

Script Preparation code:

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

Tests: