Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.2 Safari/605.1.15
Safari 15
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Object.hasOwnProperty 7419330.0 Ops/sec
Object in 6986882.5 Ops/sec
Array.indexOf 395047.3 Ops/sec
direct 7656194.5 Ops/sec
Array includes 190081.7 Ops/sec
Set has 1301073.2 Ops/sec
Script Preparation code:
Tests:
  • Object.hasOwnProperty

  • Object in

  • Array.indexOf

  • direct

  • Array includes

  • Set has