Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.55 Safari/537.36
Chrome 96
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
for-in 2297.8 Ops/sec
Object.keys for each 836.4 Ops/sec
Object.keys for 840.0 Ops/sec
Script Preparation code:
Tests:
  • for-in

  • Object.keys for each

  • Object.keys for