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/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Chrome 120
Mac OS X 10.15.7
Desktop
9 months ago
Test name Executions per second
exist null 28042188.0 Ops/sec
exist hasOwnProperty 24187058.0 Ops/sec
nonexist null 27608284.0 Ops/sec
nonexist hasOwnProperty 23154502.0 Ops/sec
Script Preparation code:
Tests:

  • exist null

  • exist hasOwnProperty

  • nonexist null

  • nonexist hasOwnProperty