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/108.0.0.0 Safari/537.36
Chrome 108
Mac OS X 10.14.6
Desktop
one year ago
Test name Executions per second
typeof 915762880.0 Ops/sec
isNaN 7256453.5 Ops/sec
Tests:

  • typeof

  • isNaN