Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Chrome 83
Mac OS X 10.15.3
Desktop
4 years ago
Test name Executions per second
For In 326.6 Ops/sec
Object keys forEach 383.7 Ops/sec
Script Preparation code:
Tests:
  • For In

  • Object keys forEach