Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36
Chrome 89
Windows
Desktop
3 years ago
Test name Executions per second
For In 1252.0 Ops/sec
Object keys forEach 1702.0 Ops/sec
For 12024667.0 Ops/sec
Script Preparation code:
Tests:
  • For In

  • Object keys forEach

  • For