Run results for: Object.hasOwn VS `in` [simple]

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36 OPR/92.0.0.0 (Edition beta)

Browser: Opera 92

Operating system: Windows 8.1

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
in	80526.5 Ops/sec
Object.hasOwn	23316.3 Ops/sec

Script Preparation code:

function makeid() {
  var text = "";
  var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

  for (var i = 0; i < 5; i++)
    text += possible.charAt(Math.floor(Math.random() * possible.length));

  return text;
}

window.parentObj = {};

for (let i = 0; i < 100; i++) {
	window.parentObj[makeid()] = makeid();
}

Tests:

in
const obj = window.parentObj; for (const k of Object.keys(obj)) { k in obj; }
Object.hasOwn
const obj = window.parentObj; for (const k of Object.keys(obj)) { Object.hasOwn(obj, k); }