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

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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

    }
  }
}

Related Scripts with Example Source Code in same category :

Creating an Object
Using the dot (.) operator to create the same variable causes an error because it violates the syntactic rules for identifiers
Accessing Object Properties
Accessing Object Methods
Using Objects as Associative Arrays
Use this operator to investigate instances of classes for methods and public properties
Removing Properties

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