Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 15_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.5 Mobile/15E148 Safari/604.1
Mobile Safari 15
iOS 15.5
Mobile
2 years ago
Test name Executions per second
Object.entries 96783.2 Ops/sec
Object.keys 71484.3 Ops/sec
Object.keys with extra array 39437.3 Ops/sec
Object.entries without array 100223.5 Ops/sec
Object.keys as separate array with for loop 79871.2 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