Flash 8 Documentation 
Flash 8 Documentation |
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| ActionScript 2.0 Language Reference > ActionScript language elements > Constants > NaN constant | |||
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A predefined variable with the IEEE-754 value for NaN (not a number). To determine whether a number is NaN, use isNaN().
Availability: ActionScript 1.0; Flash Player 5
isNaN function, NaN (Number.NaN property)
Version 8
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Current page: http://livedocs.adobe.com/flash/8/main/00001712.html