Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.146 Safari/537.36
Chrome 88
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
For In 710.0 Ops/sec
Object keys forEach 788.8 Ops/sec
Script Preparation code:
Tests:
  • For In

  • Object keys forEach