MeasureThat.net

Run results for: typeof x === 'number' vs isNaN(x)

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Safari/537.36
Chrome 94
Mac OS X 10.14.6
Desktop
3 years ago
Test name Executions per second
typeof 810590400.0 Ops/sec
isNaN 4381068.0 Ops/sec
Tests:

  • typeof

  • isNaN