Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36
Chrome 88
Windows
Desktop
3 years ago
Test name Executions per second
for-in 1.5 Ops/sec
for-of Object.keys 1.4 Ops/sec
Script Preparation code:
Tests:
  • for-in

  • for-of Object.keys

  • for-of Object.keys includes

  • for-of Object.keys hasOwnProperty