MeasureThat.net

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

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Run details:
Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0
Firefox 115
Windows 8.1
Desktop
one month ago
Test name Executions per second
typeof 92848040.0 Ops/sec
isNaN 110670912.0 Ops/sec
Tests:

  • typeof

  • isNaN