Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36
Chrome 86
Windows
Desktop
4 years ago
Test name Executions per second
exist null 11384280.0 Ops/sec
exist hasOwnProperty 10524231.0 Ops/sec
nonexist null 11391187.0 Ops/sec
nonexist hasOwnProperty 10223848.0 Ops/sec
Script Preparation code:
Tests:
  • exist null

  • exist hasOwnProperty

  • nonexist null

  • nonexist hasOwnProperty