Run results for: null vs. hasOwnProperty

Object lookup performance

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36
Chrome 119
Windows
Desktop
2 years ago
Test name Executions per second
exist null 20396508.0 Ops/sec
exist hasOwnProperty 23751400.0 Ops/sec
nonexist null 25366272.0 Ops/sec
nonexist hasOwnProperty 23555276.0 Ops/sec
Script Preparation code:
Tests:

  • exist null

  • exist hasOwnProperty

  • nonexist null

  • nonexist hasOwnProperty