Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0
Firefox 78
Windows
Desktop
3 years ago
Test name Executions per second
Object.hasOwnProperty 13176616.0 Ops/sec
Object in 13489771.0 Ops/sec
Array.indexOf 399405.5 Ops/sec
direct 12682899.0 Ops/sec
Array includes 331091.8 Ops/sec
Set has 6423270.0 Ops/sec
Script Preparation code:
Tests:
  • Object.hasOwnProperty

  • Object in

  • Array.indexOf

  • direct

  • Array includes

  • Set has