It describes what the rubber duck will be,
and is the single template for creating unlimited numbers of rubber ducks. Each rubber duck that rolls
off the production line is an object based on the rubber duck class. In programming terms, each of
these rubber duck objects is described as being an ???instance??? of the rubber duck class.
What is ActionScript?
ActionScript is the object-oriented programming language used by Adobe Flex to achieve complex
interactions and animations. ActionScript is an important part of any application that leverages the
Flash platform. This is why designers should concern themselves at the very least with its importance
and its purpose.
ActionScript started as a scripting language for Flash ActionScript 1 to enable a tighter control of animations,
and was well received by the community and widely adopted by designers and developers,
motivating Macromedia and then Adobe to push it further and further with every release of Adobe
Flash. In time ActionScript 2 was introduced, being more compliant with OOP principles and enabling
even more control and better performance until the release of ActionScript 3.0.
One more important point to mention is that the Flash Player was completely rewritten by Adobe to
work with ActionScript 3.0, thus making a giant leap in performance compared to ActionScript 1 and
2. After the release of the Flash Player 9, a new virtual machine (VM) was introduced in the Player just
for applications using ActionScript 3.
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