JS Built-ins
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GlobalFunctionsisFinitebeginner

isFinite — finite number

📖 Usage Example
isFinite(42)      // → true
isFinite(-3.14)   // → true

isFinite() returns true for any number that is not Infinity, -Infinity, or NaN.

isFinite

isFinite(42) returns true.

Challenge: Verify that isFinite(42) === true.

💡 Hints (1)
  • • isFinite returns true for any finite number.