Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.1 Safari/605.1.15
Safari 14
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Object.hasOwnProperty 4232832.5 Ops/sec
Object in 4320882.5 Ops/sec
Array.indexOf 333262.6 Ops/sec
direct 4075944.2 Ops/sec
Array includes 433146.0 Ops/sec
Set has 4037969.0 Ops/sec
Script Preparation code:
Tests:
  • Object.hasOwnProperty

  • Object in

  • Array.indexOf

  • direct

  • Array includes

  • Set has