Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36
Chrome 78
Mac OS X 10.14.4
Desktop
5 years ago
Test name Executions per second
For In 390.0 Ops/sec
Object keys forEach 399.6 Ops/sec
Script Preparation code:
Tests:
  • For In

  • Object keys forEach