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  • What Is the Type of NaN?

    What Is the Type of NaN?

    Updated on · 6 min read

    NaN, or "Not a Number", is a special value in JavaScript and TypeScript (as well as many other programming languages) that represents an undefined or unrepresentable value resulting from an arithmetic operation. It is often used as a placeholder for a missing numerical value or as a way to signify an error. However, what is the type of NaN in JavaScript?

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