Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36
Chrome 68
Mac OS X 10.12.6
Desktop
6 years ago
Test name Executions per second
Object.entries 38096.8 Ops/sec
Object.keys 49889.5 Ops/sec
Object.keys with extra array 27043.0 Ops/sec
Object.entries without array 35974.1 Ops/sec
Script Preparation code:
Tests:
  • Object.entries

  • Object.keys

  • Object.keys with extra array

  • Object.entries without array