Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Chrome 83
Mac OS X 10.15.4
Desktop
4 years ago
Test name Executions per second
for-in 0.8 Ops/sec
Object.keys forEach 0.7 Ops/sec
Object.keys for loop 0.7 Ops/sec
Script Preparation code:
Tests:
  • for-in

  • Object.keys forEach

  • Object.keys for loop