MeasureThat.net

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

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 Edg/115.0.1901.203
Chrome 115
Windows
Desktop
one year ago
Test name Executions per second
typeof 998597824.0 Ops/sec
isNaN 8151866.5 Ops/sec
Tests:

  • typeof

  • isNaN