Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36
Chrome 80
Mac OS X 10.15.4
Desktop
4 years ago
Test name Executions per second
for-in 62339.6 Ops/sec
Object.keys 62416.2 Ops/sec
Script Preparation code:
Tests:
  • for-in

  • Object.keys