GlobalFunctionsisFinitebeginner

isFinite — NaN

📖 Usage Example

isFinite(NaN)   // → false
isNaN(NaN)      // → true

isFinite() returns false for NaN because NaN is not a finite numeric value.

isFinite with NaN

isFinite(NaN) returns false.

Challenge: Verify the result.

💡 Hints (1)

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