Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.70 Safari/537.36
Chrome 78
Mac OS X 10.14.6
Desktop
5 years ago
Test name Executions per second
Object.entries 37258.0 Ops/sec
Object.keys 62389.8 Ops/sec
Object.keys with extra array 40063.0 Ops/sec
Object.entries without array 38739.6 Ops/sec
Script Preparation code:
Tests:
  • Object.entries

  • Object.keys

  • Object.keys with extra array

  • Object.entries without array