Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Safari/605.1.15
Safari 13
Mac OS X 10.14.6
Desktop
4 years ago
Test name Executions per second
Object.hasOwnProperty 3072835.0 Ops/sec
Object in 2744813.0 Ops/sec
Array.indexOf 222835.6 Ops/sec
direct 2276129.0 Ops/sec
Array includes 245920.8 Ops/sec
Script Preparation code:
Tests:
  • Object.hasOwnProperty

  • Object in

  • Array.indexOf

  • direct

  • Array includes