Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0
Firefox 103
Ubuntu
Desktop
2 years ago
Test name Executions per second
exist null 687352704.0 Ops/sec
exist hasOwnProperty 507616320.0 Ops/sec
nonexist null 605566016.0 Ops/sec
nonexist hasOwnProperty 401111904.0 Ops/sec
Script Preparation code:
Tests:
  • exist null

  • exist hasOwnProperty

  • nonexist null

  • nonexist hasOwnProperty