MeasureThat.net

Run results for: undefined vs. typeof vs. in vs. hasOwnProperty

Object lookup performance

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:95.0) Gecko/20100101 Firefox/95.0
Firefox 95
Mac OS X 10.15
Desktop
2 years ago
Test name Executions per second
undefined 748413696.0 Ops/sec
typeof 613889472.0 Ops/sec
in 724321664.0 Ops/sec
hasOwnProperty 723261312.0 Ops/sec
bool 562924096.0 Ops/sec
Script Preparation code:
Tests:

  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool

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