A Brief History of ActionScriptThe Rise of ActionScript 3.0ActionScript and Object-Oriented ProgrammingThe Development ProcessOrganizing Your FilesAdding ActionScript to Your ProjectsPlacing Code on the TimelineImporting Code from an External FileSpecifying a Document ClassLinking Library Assets to External ClassesBouncing BallsCreating the Flash FileCreating the Ball ClassAdding More BallsActionScript in ActionSummary