Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Chrome 83
Mac OS X 10.15.4
Desktop
4 years ago
Test name Executions per second
Object.entries 40277.2 Ops/sec
Object.keys 67260.7 Ops/sec
Object.keys with extra array 42284.7 Ops/sec
Object.entries without array 34193.9 Ops/sec
Script Preparation code:
Tests:
  • Object.entries

  • Object.keys

  • Object.keys with extra array

  • Object.entries without array