The undefined value represents the absence of data for variables, parameters, and return values without a specified type annotation. : undefined « Data Type « Flash / Flex / ActionScript

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Flash / Flex / ActionScript » Data Type » undefined   The undefined value represents the absence of data for variables, parameters, and return values without a specified type annotation.   package{   import flash.display.Sprite;      public class Main extends Sprite{     public function Main(){         var info = new Object( );         info.city = "Toronto";         info.country = undefined;         trace(info.language);  // Displays: undefined     }   } }          Related examples in the same category 1.  Convert undefined to string

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