Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3521.0 Safari/537.36
Chrome 70
Mac OS X 10.13.6
Desktop
6 years ago
Test name Executions per second
Object.entries 25187.4 Ops/sec
Object.keys 40581.7 Ops/sec
Object.keys with extra array 23445.5 Ops/sec
Object.entries without array 26853.3 Ops/sec
Script Preparation code:
Tests:
  • Object.entries

  • Object.keys

  • Object.keys with extra array

  • Object.entries without array