Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Safari/537.36
Chrome 87
Windows
Desktop
4 years ago
Test name Executions per second
for in break 1314.2 Ops/sec
Object keys 445.8 Ops/sec
Object keys for real 1324.0 Ops/sec
Script Preparation code:
Tests:
  • for in break

  • Object keys

  • Object keys for real