Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.146 Safari/537.36
Chrome 88
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
Object.entries 2854935.5 Ops/sec
for..in 11402454.0 Ops/sec
Object.keys 2782086.2 Ops/sec
Object.keys no entry 2737938.5 Ops/sec
for..in no array 10712732.0 Ops/sec
Object.entries no array 2582228.0 Ops/sec
Script Preparation code:
Tests:
  • Object.entries

  • for..in

  • Object.keys

  • Object.keys no entry

  • for..in no array

  • Object.entries no array