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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36

Browser: Chrome 138

Operating system: Windows

Device Platform: Desktop

Date tested: 9 months ago

Test name	Executions per second
in	95197144.0 Ops/sec
Object.hasOwn	48965920.0 Ops/sec
Object.prototype.hasOwnProperty	53286856.0 Ops/sec

Script Preparation code:

var obj = { a: 1, b: 2, c: 3, d: 4, e: 5 };

Tests: