Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.58
Chrome 112
Windows
Desktop
one year ago
Test name Executions per second
exist null 14309980.0 Ops/sec
exist hasOwnProperty 13177960.0 Ops/sec
nonexist null 14422810.0 Ops/sec
nonexist hasOwnProperty 13001600.0 Ops/sec
Script Preparation code:
Tests:
  • exist null

  • exist hasOwnProperty

  • nonexist null

  • nonexist hasOwnProperty