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Microsoft® JScript isNaN Function See Also |
| Language Reference |
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Determines whether a value is the reserved value NaN (not a number).
isNaN( numvalue )
The numvalue argument is the value to be tested against NaN.
The isNaN function returns true if the value is NaN, false otherwise. This function is typically used to test return values from the parseInt and parseFloat functions.
© 1996 by Microsoft Corporation.
| file: /techref/language/asp/js/57.htm, 1KB, , updated: 1996/11/22 10:12, local time: 2008/11/22 05:45,
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