Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36
Chrome 68
Windows
Desktop
6 years ago
Test name Executions per second
For In 487.3 Ops/sec
Object keys forEach 521.3 Ops/sec
Script Preparation code:
Tests:
  • For In

  • Object keys forEach