Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36
Chrome 89
Mac OS X 11.2.3
Desktop
3 years ago
Test name Executions per second
For In 592.3 Ops/sec
Object keys forEach 616.0 Ops/sec
Script Preparation code:
Tests:
  • For In

  • Object keys forEach