What does the Number.isNaN() method do differently from the global isNaN() function?

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What does the Number.isNaN() method do differently from the global isNaN() function?

Key points

  • Number.isNaN() performs a strict check for NaN
  • Global isNaN() function involves implicit type conversion
  • Type coercion affects the outcome of NaN checks
  • Number.isNaN() is a more precise method

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