Run details:
Mozilla/5.0 (iPhone; CPU OS 14_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/30.0 Mobile/15E148 Safari/605.1.15
Mobile Safari 14
iOS 14.3
Mobile
3 years ago
Test name Executions per second
Object.entries 12.7 Ops/sec
for..in 9.3 Ops/sec
Object.keys 8.3 Ops/sec
Object.keys no entry 6.0 Ops/sec
for..in no array 12.8 Ops/sec
Object.entries no array 13.6 Ops/sec
Script Preparation code:
Tests:
  • Object.entries

  • for..in

  • Object.keys

  • Object.keys no entry

  • for..in no array

  • Object.entries no array