An official collection of add-ons that extend the Core and provide enhanced functionality. The base library for Class object instantiation. The Natives add functionality, compatibility, and new methods that simplify coding. An advanced effects-API to animate page elements.
Provides a cross-browser interface to client-specific information, such as the dimensions of the window. An extensible and modular framework allowing developers to choose their own customized combination of components. An advanced effects component, with optimized transitions such as easing equations used by many Flash developers. Storing and retrieving information with Element storage is also supported.