Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.60 Safari/537.36
Chrome 100
Linux
Desktop
2 years ago
Test name Executions per second
Object.keys 4.7 Ops/sec
for-in with var 5.8 Ops/sec
for-in with let 4.7 Ops/sec
Script Preparation code:
Tests:
  • Object.keys

  • for-in with var

  • for-in with let