Book Image

YUI 2.8: Learning the Library

Book Image

YUI 2.8: Learning the Library

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
Credits
About the Authors
About the Reviewers
Preface

Lint-free code


JavaScript is designed to be very tolerant and flexible. Some of its features allow for code that is on the edge of the abyss, ready to break down at any time. Staying away from the most dangerous features and being conservative on those we use is a good insurance against pitfalls.

As any regular at the YUI forum can attest, many problems come from fragile code. Many a question could have been spared, and the time waiting for the answer saved, if the code had been clean. When our eyes are tired after a long session of coding and we are incapable of matching braces, there are programs that do the bean counting for us, checking that the parenthesis, braces, and brackets are matched, that lines have their semicolons and all those tedious tasks.

JSLint is a free JavaScript syntax analyzer available to use online at http://www.jslint.com and also available to run as a command-line utility in several environments or as a Yahoo! Widget (http://widgets.yahoo.com/, previously known as...