Run results for: HasOwnProperty vs classical if

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36

Browser: Chrome 87

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
hasOwnProperty	348025.3 Ops/sec
classical if	458604.9 Ops/sec

Script Preparation code:

for (i = 0; i < 10; i++) {

}

​x
 
for (i = 0; i < 10; i++) {​}

Tests:

const object = {
	property1: 1
}

Object.setPrototypeOf(object, {
  property2: 2
});

const result = object.hasOwnProperty('property1');

 
const object = {    property1: 1}​Object.setPrototypeOf(object, {  property2: 2});​const result = object.hasOwnProperty('property1');

const object = {
	property1: 1
}

Object.setPrototypeOf(object, {
  property2: 2
});

const result = object.property1 ? true : false;

 
const object = {    property1: 1}​Object.setPrototypeOf(object, {  property2: 2});​const result = object.property1 ? true : false;