Book Image

YUI 2.8: Learning the Library

By : Dan Wellman, Daniel Barreiro, Daniel Osvaldo Barreiro
Book Image

YUI 2.8: Learning the Library

By: Dan Wellman, Daniel Barreiro, Daniel Osvaldo Barreiro

Overview of this book

The YUI Library is a set of utilities and controls written in JavaScript for building Rich Internet Applications, across all major browsers and independently of any server technology. There's a lot of functionality baked into YUI, but getting to and understanding that functionality is not for the faint of heart. This book gives you a clear picture of YUI through a step-by-step approach, packed with lots of examples.YUI 2.8: Learning the Library covers all released (non-beta) components of the YUI 2.8 Library in detail with plenty of working examples, looking at the classes that make up each component and the properties and methods that can be used. It includes a series of practical examples to reinforce how each component should/can be used, showing its use to create complex, fully featured, cross-browser, Web 2.0 user interfaces. It has been updated from its first edition with the addition of several chapters covering several new controls and enriched with lots of experience of using them.You will learn to create a number of powerful JavaScript controls that can be used straightaway in your own applications. Besides giving you a deep understanding of the YUI library, this book will expand your knowledge of object-oriented JavaScript programming, as well as strengthen your understanding of the DOM and CSS. The final chapter describes many of the tools available to assist you the developer in debugging, maintaining, and ensuring the best quality in your code. In this new edition, all the examples have been updated to use the most recent coding practices and style and new ones added to cover newer components. Since the basic documentation for the library is available online, the focus is on providing insight and experience.The authors take the reader from beginner to advanced-level YUI usage and understanding.
Table of Contents (18 chapters)
YUI 2.8 Learning the Library
About the Authors
About the Reviewers

Listening for Events the easy (YUI) way

The Event Utility makes listening for any event extremely easy. The events you may wish to listen for could be traditional events that are available under the browser's own event model, such as the click event, or they may be custom events that you define yourself. This is where the real power of this utility resides. You should avoid working with events in the traditional way and give in completely to the ways of the Event Utility.

The Event Utility provides a framework that makes it easier to create event-driven applications, where you can listen for and react accordingly to interesting moments defined by the utilities, as well as in your own application. It has many features to help you create rich and interactive web applications including:

  • Automatic handler deferral: If the HTML element to which the event listener is to be attached, is not found by the script immediately, it is deferred for up to 15 seconds after the page has loaded to give...