MeasureThat.net

Run results for: null vs. hasOwnProperty

Object lookup performance

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0 Safari/605.1.15
Safari 18
Mac OS X 10.15.7
Desktop
2 months ago
Test name Executions per second
exist null 12759232.0 Ops/sec
exist hasOwnProperty 12308956.0 Ops/sec
nonexist null 12353918.0 Ops/sec
nonexist hasOwnProperty 12001027.0 Ops/sec
Script Preparation code:
Tests:

  • exist null

  • exist hasOwnProperty

  • nonexist null

  • nonexist hasOwnProperty