Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 15_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/100 Mobile/15E148 Version/15.0
Mobile Safari 15
iOS 15.5
Mobile
2 years ago
Test name Executions per second
Object.entries 95497.8 Ops/sec
Object.keys 67255.5 Ops/sec
Object.keys with extra array 37558.6 Ops/sec
Object.entries without array 100325.9 Ops/sec
Object.keys as separate array with for loop 74384.6 Ops/sec
Script Preparation code:
Tests:
  • Object.entries

  • Object.keys

  • Object.keys with extra array

  • Object.entries without array

  • Object.keys as separate array with for loop