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






  1. Flash / Flex / ActionScript
  2. Data Type
  3. 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

    }
  }
}








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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()