Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36
Chrome 91
Windows
Desktop
3 years ago
Test name Executions per second
Map - for of kv 3092545.5 Ops/sec
Map - forEach 2116125.0 Ops/sec
Object.entries() - for of kv 456009.2 Ops/sec
Object.entries() - forEach 103379.0 Ops/sec
Object - for in 331064.0 Ops/sec
Script Preparation code:
Tests:
  • Map - for of kv

  • Map - forEach

  • Object.entries() - for of kv

  • Object.entries() - forEach

  • Object - for in