Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 15_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.0 Mobile/15E148 Safari/604.1
Mobile Safari 15
iOS 15.0
Mobile
2 years ago
Test name Executions per second
for-in-hasOwnProperty 23.5 Ops/sec
Object.keys-direct 22.2 Ops/sec
Object.keys 19.1 Ops/sec
for-in 22.6 Ops/sec
Script Preparation code:
Tests:
  • for-in-hasOwnProperty

  • Object.keys-direct

  • Object.keys

  • for-in