In this book, Prototype Core development team member Andrew Dupont provides you with an essential guide to getting the most out of using Prototype and script.aculo.us. He will help you leverage these popular and well-supported JavaScript libraries to enhance your day-to-day work, speeding up mundane tasks and providing advanced UI effects in a way that is cross-browser compliant. The book examines the different time-saving functions and features Prototype provides and covers how it extends the basic JavaScript objects, including events, Ajax techniques, DOM elements, enumerables, and advanced OOP.