Run details:
Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0
Firefox 91
Windows
Desktop
2 years ago
Test name Executions per second
For In 852.8 Ops/sec
Object keys forEach 791.9 Ops/sec
Object keys For loop 774.6 Ops/sec
Script Preparation code:
Tests:
  • For In

  • Object keys forEach

  • Object keys For loop