Testing for Existence : Object « Class « Flash / Flex / ActionScript






  1. Flash / Flex / ActionScript
  2. Class
  3. Object

Testing for Existence

 

package{
  import flash.display.Sprite;
  
  public class Main extends Sprite{
    public function Main(){

        var notes:Object = {Roger: "hereiam"};
        trace( "Roger" in notes ); // Returns true
        trace( "Josh" in notes); // Returns false

    }
  }
}








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1.Creating an Object: var variableName:datatype = new ClassName();
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3.Accessing Object Properties
4.Accessing Object Methods
5.Using Objects as Associative Arrays
6.Use this operator to investigate instances of classes for methods and public properties
7.Removing Properties