NaN Property

Microsoft Office JScript

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Microsoft® JScript® NaN Property  Language Reference 
Version 2 

See Also                  Applies To

Description
A special value that indicates an arithmetic expression returned a value that was not a number.
Syntax
Number.NaN

The number argument is the Number object.

Remarks
The Number object does not have to be created before the NaN property can be accessed.

NaN does not compare equal to any value, including itself. To test if a value is equivalent to NaN, use the isNaN function.

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