Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.107 Safari/537.36
Chrome 92
Linux
Desktop
3 years ago
Test name Executions per second
exist null 13514669.0 Ops/sec
exist hasOwnProperty 12393453.0 Ops/sec
nonexist null 12971558.0 Ops/sec
nonexist hasOwnProperty 10343908.0 Ops/sec
Script Preparation code:
Tests:
  • exist null

  • exist hasOwnProperty

  • nonexist null

  • nonexist hasOwnProperty