Run results for: Set.prototype.has vs Object.hasOwn

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36

Browser: Chrome 112

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Object.hasOwn	6901.2 Ops/sec
Set.prototype.has	12391.9 Ops/sec

Script Preparation code:

window.myObject = {};
window.mySet = new Set();
for (let i = 1; i < 1001; i++) {
  window.myObject[i] = null;
  window.mySet.add(i);
}

Tests:

Object.hasOwn
for (let i = 1000; i > 0; i--) { Object.hasOwn(window.myObject, i); }
Set.prototype.has
for (let i = 1000; i > 0; i--) { window.mySet.has(i); }