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Ajax on Rails View Larger Image | Scott Raymond
O'Reilly Media, Paperback, Published January 2007, 304 pages, ISBN 0596527446 | List Price: $39.99
Our Price: $24.95
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Read an excerpt:
Chapter 4: Introducing script.aculo.us
Excerpt provided courtesy of O'Reilly Media. Copyright © O'Reilly Media, Inc. Written permission from the publisher is required for any use of this material.
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Learn to build dynamic, interactive web applications using the two most important
approaches to web development today: Ajax and the phenomenally efficient Ruby
on Rails platform. This book teaches intermediate to advanced web developers
how to use both Ajax and Rails to quickly build high-performance, scalable applications
without being overwhelmed with thousands of lines of JavaScript code. More than
just recipes, you also get a thorough, low-level understanding of what's happening
under the hood.
- Ajax on Rails includes three fully worked out Rails/Ajax applications,
and quick reference sections for Prototype and script.aculo.us.
- Testing lessons show you how to eliminate cross-browser JavaScript errors
and DOM debugging nightmares using a combination of Firebug, and Venkman.
- Advanced material explains the most current design practices for Ajax usability.
You'll learn to avoid user experience mistakes with proven design patterns.
Beyond the how-to, Ajax on Rails helps you consider when Ajax is (and
isn't) appropriate, and the trade-offs associated with it. For those new to
Rails, this book provides a quick introduction, the big picture, a walk through
the installation process, and some tips on getting started. If you've already
started working with Rails and seek to deepen your skill set, you'll find dozens
of examples drawn from real-world projects, exhaustive reference for every relevant
feature, and expert advice on how to "Ajaxify" your applications.
Table of Contents
Preface
1. Introduction
Who This Book Is For
What Ajax Is
What Rails Is
`You Got Your Ajax in My Rails!'
Getting Up to Speed
Summary
2. Getting Our Feet Wet
The Old-Fashioned Way
JavaScript Libraries and Prototype
Bringing Rails into the Picture
Summary
3. Introducing Prototype
Setting the Stage
Ajax Links
Forms
Ajax Forms
Buttons
Form Observers
Summary
4. Introducing script.aculo.us
Visual Effects
Drag and Drop
Summary
5. RJS
Instructions Instead of Data
Putting the R in RJS
A Real-World Example
Summary
6. Ajax Usability
Principles of Usability
The Context of the Web
Usability on the Web
Cross-Platform Development
Summary
7. Testing and Debugging
Debugging
Testing
Summary
8. Security
Healthy Skepticism: Don't Trust User Input
Hashing Passwords
Silencing Logs
The Same-Origin Policy
The Use and Abuse of HTTP Methods
Encryption and Secure Certificates
The Rails Security Mailing List
Summary
9. Performance
Development and Production Environments
Session Stores
Output Caching
Asset Packaging
Dealing with Long-Running Tasks
Summary
10. Prototype Reference
Ajax Support
DOM Manipulation
Core Extensions
11. script.aculo.us Reference
Visual Effects
Drag and Drop
Controls
Element Extensions
DOM Builder
JavaScript Unit Testing
Utility Methods
A. Review Quiz
B. Photo Gallery
C. Intranet Workgroup Collaboration
Index
About the Author
Scott Raymond is a Ruby on Rails developer living in Kansas City. His work
has been highlighted on the Rails website and the Wall Street Journal Online.
Besides participating in the framework's development, he has led international
Rails training sessions, and was a presenter at RailsConf 2006.
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