MeasureThat.net

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

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36
Chrome 103
Linux
Desktop
2 years ago
Test name Executions per second
typeof 470479616.0 Ops/sec
isNaN 4391833.0 Ops/sec
Tests:

  • typeof

  • isNaN