Export (0) Print
Expand All

NaN Property (Global)

Returns the special value NaN indicating that an expression is not a number.



The NaN property (not a number) is a member of the Global object, and is made available when the scripting engine is initialized.

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


Version 3

See Also

isNaN Method

Applies To: Global Object

© 2014 Microsoft