Run results for: Object.create(null) vs {} unknown property

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 months ago

Tests:

Object.create(null);
const obj = Object.create(null); const result = []; for (i = 0; i < 100_000; i++) { result.push(obj[i]); }
{}
const obj = {}; const result = []; for (i = 0; i < 100_000; i++) { result.push(obj[i]); }
key in Object.create(null)
const obj = Object.create(null); const result = []; for (i = 0; i < 100_000; i++) { result.push(i in obj); }
key in {}
const obj = {}; const result = []; for (i = 0; i < 100_000; i++) { result.push(i in obj); }