"This book really should be considered the Bible of Prototype and Scriptaculous." - JavaLobby Prototype and Scriptaculous are libraries that extend standard Ajax. In this book, developers learn by playing and see how the libraries work in the real world. As experience with Ajax increase, developers want the standard Ajax capabilities they repeatedly use to be programmed for them - and that's exactly what Ajax libraries do for them. Of these, Prototype JavaScript is the most popular frameworks and Ajax for low-level user interface features such as animation, drag and drop, and pre-built widgets. They create a rich user experience easy to achieve. This book guides the reader through the Prototype and Scriptaculous libraries feature-by-feature.