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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

obj.hasOwnProperty

99.6M/s

Object.hasOwn

82.7M/s

Object.prototype.hasOwnProperty

74.1M/s

View exact numbers

Test name	Executions per second
✓ obj.hasOwnProperty	99,637,344 Ops/sec
Object.hasOwn	82,719,184 Ops/sec
Object.prototype.hasOwnProperty	74,141,416 Ops/sec

Script Preparation code:

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

Tests: