MeasureThat.net

Run results for: typeof vs undefined

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1 Safari/605.1.15
Safari 13
Mac OS X 10.15.4
Desktop
4 years ago
Test name Executions per second
typeof str 11347931.0 Ops/sec
typeof var 5817066.5 Ops/sec
real undefined 3780670.0 Ops/sec
Script Preparation code:
Tests:

  • typeof str

  • typeof var

  • real undefined