Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Chrome 87
Mac OS X 10.15.7
Desktop
4 years ago
Test name Executions per second
for-in 8572.6 Ops/sec
Object.keys 7770.7 Ops/sec
Script Preparation code:
Tests:
  • for-in

  • Object.keys