Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36
Chrome 75
Windows
Desktop
5 years ago
Test name Executions per second
For In 435.8 Ops/sec
Object keys forEach 507.9 Ops/sec
Script Preparation code:
Tests:
  • For In

  • Object keys forEach