Run results for: Object.keys.includes vs object.hasOwnProperty

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Object.keys.includes	6537.6 Ops/sec
object.hasOwnProperty	34035.6 Ops/sec

Script Preparation code:

var obj = {};

for (let i=0; i<100; i++) {
	obj[`${i*Math.random()}`] = i-(Math.random()*Math.random());
}

Tests:

Object.keys.includes
for (let i=0; i<100; i++) { if (Object.keys(obj).includes(`${Math.random()*Math.random()}`)) console.log(true); }
object.hasOwnProperty
for (let i=0; i<100; i++) { if (obj.hasOwnProperty(`${Math.random()*Math.random()}`)) console.log(true); }