Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:66.0) Gecko/20100101 Firefox/66.0
Firefox 66
Mac OS X 10.14
Desktop
5 years ago
Test name Executions per second
Object.hasOwnProperty 17147008.0 Ops/sec
Object in 16554614.0 Ops/sec
Array.indexOf 501557.9 Ops/sec
direct 17087860.0 Ops/sec
Array includes 475538.4 Ops/sec
Script Preparation code:
Tests:
  • Object.hasOwnProperty

  • Object in

  • Array.indexOf

  • direct

  • Array includes