Run details:
Mozilla/5.0 (X11; FreeBSD amd64; rv:66.0) Gecko/20100101 Firefox/66.0
Firefox 66
FreeBSD
Desktop
5 years ago
Test name Executions per second
Object.hasOwnProperty 19463532.0 Ops/sec
Object in 18558876.0 Ops/sec
Array.indexOf 525871.9 Ops/sec
direct 18242542.0 Ops/sec
Array includes 521310.6 Ops/sec
Script Preparation code:
Tests:
  • Object.hasOwnProperty

  • Object in

  • Array.indexOf

  • direct

  • Array includes