Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.102 Safari/537.36
Chrome 85
Windows
Desktop
4 years ago
Test name Executions per second
Object.hasOwnProperty 1792886.9 Ops/sec
Object in 1448196.1 Ops/sec
Array.indexOf 416560.2 Ops/sec
direct 1697848.2 Ops/sec
Array includes 461790.1 Ops/sec
Set has 1773281.2 Ops/sec
Script Preparation code:
Tests:
  • Object.hasOwnProperty

  • Object in

  • Array.indexOf

  • direct

  • Array includes

  • Set has