📊 JavaScript
Q. What does the isNaN() function do?
  • (A) Checks if a value is NaN
  • (B) Converts a string to a number
  • (C) Checks if a value is null
  • (D) Checks if a value is undefined
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✅ Correct Answer: (A) Checks if a value is NaN

Explanation: isNaN() checks whether a value is NaN (Not a Number).

Explanation by: Mr. Dubey
isNaN() checks whether a value is NaN (Not a Number).

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