Run results for: Iterating keys

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36

Browser: Chrome 105

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Object.keys(obj).forEach()	449840.2 Ops/sec
for...in...	448092.7 Ops/sec

Script Preparation code:

var obj = {};

for(let i = 0; i < 10; i++) {
  obj["key" + i] = i;
}

function fn(num) {
  return num * 2;
}

Tests: