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Run results for: typeof number vs. Number.isNan vs. isNan vs self comparison. Versus let

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Chrome 120
Windows
Desktop
10 months ago
Test name Executions per second
typeof 15785600.0 Ops/sec
Number.isNan 6374538.0 Ops/sec
isNaN 6455585.0 Ops/sec
Self comparison 8503222.0 Ops/sec
Script Preparation code:
Tests:

  • typeof

  • Number.isNan

  • isNaN

  • Self comparison