The default value for an unassigned variable of type Number is NaN : Number « Data Type « Flash / Flex / ActionScript

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Flash / Flex / ActionScript » Data Type » Number

The default value for an unassigned variable of type Number is NaN


 



package{

  import flash.display.Sprite;

  

  public class Main extends Sprite{

    public function Main(){

         var n:Number;

         trace(n); // NaN

         n = 12;

         trace(n); // 12



    }

  }

}

Related examples in the same category

1.	Use Number type variable in for loop
2.	Read and write to a variable
3.	Decimal Numbers
4.	Casting to a Number: Number(stringValue)
5.	Dealing with Infinite Values: Number.POSITIVE_INFINITY and Number.NEGATIVE_INFINITY
6.	Handling Minimum and Maximum Values: MAX_VALUE and MIN_VALUE
7.	Minimum and Maximum Values for uint and int
8.	Working with Number Instances
9.	Not a Number: use the top-level function isNaN()

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