Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Chrome 83
Mac OS X 10.14.5
Desktop
4 years ago
Test name Executions per second
for...in 16.3 Ops/sec
Object.keys 12.7 Ops/sec
Script Preparation code:
Tests:
  • for...in

  • Object.keys