Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.1 Safari/605.1.15
Safari 14
Mac OS X 10.15.7
Desktop
4 years ago
Test name Executions per second
For In 68.0 Ops/sec
Object keys forEach 59.6 Ops/sec
Script Preparation code:
Tests:
  • For In

  • Object keys forEach