Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.122 Safari/537.36
Chrome 81
Mac OS X 10.15.4
Desktop
4 years ago
Test name Executions per second
Object.entries 43018.1 Ops/sec
Object.keys 73331.3 Ops/sec
Object.keys with extra array 44453.8 Ops/sec
Object.entries without array 42740.6 Ops/sec
Object for..in 252927.7 Ops/sec
Script Preparation code:
Tests:
  • Object.entries

  • Object.keys

  • Object.keys with extra array

  • Object.entries without array

  • Object for..in