Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.163 Safari/537.36 OPR/67.0.3575.137
Opera 67
Windows
Desktop
4 years ago
Test name Executions per second
For In 394.7 Ops/sec
Object keys forEach 420.0 Ops/sec
Script Preparation code:
Tests:
  • For In

  • Object keys forEach