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; rv:134.0) Gecko/20100101 Firefox/134.0

Browser: Firefox 134

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Object.hasOwn

1465.7M/s

Object.prototype.hasOwnProperty

1403.0M/s

obj.hasOwnProperty

1366.6M/s

View exact numbers

Test name	Executions per second
✓ Object.hasOwn	1,465,657,984 Ops/sec
Object.prototype.hasOwnProperty	1,403,019,392 Ops/sec
obj.hasOwnProperty	1,366,618,112 Ops/sec

Script Preparation code:

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

Tests: