Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0
Firefox 61
Windows
Desktop
6 years ago
Test name Executions per second
For In 288.6 Ops/sec
Object keys forEach 280.9 Ops/sec
Script Preparation code:
Tests:
  • For In

  • Object keys forEach