Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36
Chrome 80
Windows
Desktop
4 years ago
Test name Executions per second
for-in 80619.5 Ops/sec
Object.keys 80222.2 Ops/sec
Script Preparation code:
Tests:
  • for-in

  • Object.keys