Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36
Chrome 85
Mac OS X 10.15.6
Desktop
4 years ago
Test name Executions per second
For In 766.3 Ops/sec
Object keys forEach 856.2 Ops/sec
Script Preparation code:
Tests:
  • For In

  • Object keys forEach