Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:92.0) Gecko/20100101 Firefox/92.0
Firefox 92
Windows
Desktop
3 years ago
Test name Executions per second
exist null 1307171456.0 Ops/sec
exist hasOwnProperty 1024190912.0 Ops/sec
nonexist null 1615837184.0 Ops/sec
nonexist hasOwnProperty 1035939136.0 Ops/sec
Script Preparation code:
Tests:
  • exist null

  • exist hasOwnProperty

  • nonexist null

  • nonexist hasOwnProperty