Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Safari/605.1.15
Safari 12
Mac OS X 10.14.6
Desktop
4 years ago
Test name Executions per second
Object.entries 78328.0 Ops/sec
Object.keys 46196.3 Ops/sec
Object.keys with extra array 25666.3 Ops/sec
Object.entries without array 77587.1 Ops/sec
Script Preparation code:
Tests:
  • Object.entries

  • Object.keys

  • Object.keys with extra array

  • Object.entries without array