Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Chrome 92
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
for-in 3.6 Ops/sec
Object.keys 2.5 Ops/sec
for-of object.keys 3.2 Ops/sec
Script Preparation code:
Tests:
  • for-in

  • Object.keys

  • for-of object.keys