Run details:
Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3650.1 Iron Safari/537.36
Chrome 70
Windows 8.1
Desktop
2 years ago
Test name Executions per second
Object.entries 0.6 Ops/sec
for..in 0.6 Ops/sec
Object.keys 0.7 Ops/sec
Object.keys no entry 1.0 Ops/sec
for..in no array 1.0 Ops/sec
Object.entries no array 1.1 Ops/sec
Script Preparation code:
Tests:
  • Object.entries

  • for..in

  • Object.keys

  • Object.keys no entry

  • for..in no array

  • Object.entries no array