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/89.0.4389.82 Safari/537.36
Chrome 89
Windows
Desktop
3 years ago
Test name Executions per second
typeof 643752320.0 Ops/sec
isNaN 4768591.5 Ops/sec
Tests:

  • typeof

  • isNaN