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_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36 Edg/97.0.1072.55
Chrome 97
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
typeof 777320512.0 Ops/sec
isNaN 9390083.0 Ops/sec
Tests:

  • typeof

  • isNaN