Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0
Firefox 65
Windows
Desktop
5 years ago
Test name Executions per second
Object.hasOwnProperty 15842927.0 Ops/sec
Object in 16415520.0 Ops/sec
Array.indexOf 412716.8 Ops/sec
direct 17385798.0 Ops/sec
Array includes 345550.3 Ops/sec
Script Preparation code:
Tests:
  • Object.hasOwnProperty

  • Object in

  • Array.indexOf

  • direct

  • Array includes