Understanding AJAX: Using JavaScript to Create Rich Internet Applications View Larger Image | Joshua Eichorn
Prentice Hall, Paperback, Published August 2006, 352 pages, ISBN 0132216353 | List Price: $39.99
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AJAX: fast mastery for experienced Web developers!
Already an experienced Web developer? Apply your skills in today's fastest-growing
area of Web development: AJAX!
Building on what you already know, this fast-paced
guide will show you exactly how to create rich, usable Internet applications.
Joshua Eichorn teaches through sophisticated code examples, including extensive
server-side PHP code.
You won't just learn how to code AJAX applications:
Eichorn covers the entire development lifecycle, from use cases and design
through debugging. He also presents detailed application case studies, including
a start-to-finish update of a non-AJAX application that addresses everything
from feature improvements to changing usage patterns. Coverage includes:
• How AJAX changes the conventional
Web development cycle
• Problems created
by the AJAX paradigm -- and how to avoid them
• Adding AJAX
to existing Web applications: key considerations
• Using core
AJAX technologies, including the XMLHttpRequest object
• Consuming data
returned to an AJAX application using both XSLT and JSON
• Building more
usable AJAX applications: guidelines and downloadable resources
• Use cases:
solving real-world problems in the AJAX environment
• Libraries and
toolkits for simplifying AJAX development, including Sarissa, scriptaculous,
and HTML_AJAX
• A complete
guide to AJAX debugging
• Supporting
browsers without XMLHttpRequest by using IFrames or cookies
• JSON data encoding
debugging guide, which covers tools for Firefox and Internet Explorer
• A list of libraries,
which includes PHP, .NET, Java, and other libraries that can be used with
any server language
Table of Contents
PART I
Chapter 1 What Is AJAX?
1.1 Rich Internet Applications
1.2 AJAX Defined
1.3 Technologies of AJAX
1.4 Remote Scripting
1.5 Gmail Brings XMLHttpRequest into the Mainstream
1.6 New Name: AJAX
1.7 Summary
Chapter 2 Getting Started
2.1 XMLHttpRequest Overview
2.1.1 XMLHttpRequest::Open()
2.1.2 XMLHttpRequest::Send()
2.1.3 XMLHttpRequest::setRequestHeader()
2.1.4 XMLHttpRequest::getResponseHeader()
and getAllResponseHeaders()
2.1.5 Other XMLHttpRequest
Methods
2.1.6 XMLHttpRequest Properties
2.1.7 readyState Reference
2.2 Cross-Browser XMLHttpRequest
2.3 Sending Asynchronous Requests
2.4 AJAX Without XMLHttpRequest
2.5 Fallback Option 1: Sending a Request Using an
IFrame
2.5.1 Creating a Hidden IFrame
2.5.2 Creating a Form
2.5.3 Send Data from the Loaded
Content to the Original Document
2.5.4 Complete Iframe AJAX
Example
2.6 Fallback Option 2: Sending a Request Using a Cookie
2.7 Summary
Chapter 3 Consuming the Sent Data
3.1 Document-Centric Approaches
3.1.1 Adding New HTML Content
to a Page with AJAX
3.1.2 Consuming XML Using
DOM
3.1.3 Consuming XML Using
XSLT
3.2 Remote Scripting
3.2.1 Basic RPC
3.2.2 SOAP and XML-RPC
3.2.3 Custom XML
3.2.4 JavaScript and JSON
3.3 How to Decide on a Request Type
3.4 Summary
Chapter 4 Adding AJAX to Your Web Development
Process
4.1 Changes to the Development
4.1.1 Enhancement-Driven Changes
4.1.2 AJAX in Action: Removing
a Popup User Search
4.1.3 Changes Caused by Creating
an AJAX-Driven Application
4.2 Integrating AJAX into a Framework
4.3 JavaScript as a Primary Development Language
4.4 Problems Created by the New Development Paradigm
4.5 Advantages to Using a Library
4.6 Reasons to Build Your Own Library
4.7 How Open Source Fits into the Mix
4.7.1 Evaluating an Open Source
Library
4.7.2 Open Source Libraries
in Relation to Commercial Libraries
4.8 Use Case for Building: The Firefox Counter
4.9 Use Case for Downloading: An Intranet Web Site
4.10 Summary
Chapter 5 Getting the Most from AJAX
5.1 Goals of AJAX
5.1.1 Increasing Interactivity
5.1.2 Decreasing the Time
Required to Perform Actions
5.1.3 Reducing Bandwidth Use
5.1.4 Creating Rich Applications
5.2 Measuring Improvements
5.3 Promises and Problems of Combining AJAX with Other
New Technologies
5.3.1 Combining AJAX with
Flash
5.3.2 Scalable Vector Graphics
(SVG)
5.3.3 XML User Interface Languages
5.4 Summary
Chapter 6 Usability Guidelines
6.1 Defining Usability
6.2 Usability Guidelines
6.2.1 Keep the User's Expectations in Mind
6.2.2 Provide Feedback to
Actions
6.2.3 Maintain the User's Focus When Adding Content
6.2.4 Keep the Ability to
Undo Actions
6.2.5 Know If You Are Developing
an Application or a Web Site
6.2.6 Only Use AJAX Where
It Has the Greatest Effect
6.2.7 Have a Plan for Those
Users Without XMLHttpRequest
6.3 Common Usability Problems
6.3.1 Stealing Focus with
Validation Messages
6.3.2 Preventing Undo with
Autosave
6.3.3 Updating Sections of
a Page Withoutthe User Realizing It
6.3.4 Breaking Bookmarking
by Using AJAX to Load Entire Pages
6.3.5 Making AJAX Required
on a Web Store
6.4 Summary
Chapter 7 AJAX Debugging Guide
7.1 Two Sides to Debugging
7.2 Looking at AJAX Communications
7.2.1 Building an AJAX Logger
7.2.2 Using the Logger
7.2.3 Firebug: A Firefox Debugging
Extension
7.2.4 Fiddler
7.2.5 General Debugging Scenarios
7.3 JavaScript Debugging Tools
7.4 JavaScript Exceptions
7.5 Dumping Variables
7.6 Summary
PART II
Chapter 8 Libraries Used in Part II: Sarissa,
Scriptaculous
8.1 Overview of the Use Cases
8.2 Libraries Used in Part II of This Book
8.3 Sarissa
8.3.1 Installation
8.3.2 Making an AJAX Request
8.3.3 Basic XML Features
8.3.4 Working with DOM Documents
8.3.5 Using XPath to Find
Nodes in a Document
8.3.6 Transforming XML with
XSLT
8.3.7 Sarissa Development
Tips
8.4 Scriptaculous
8.4.1 Installation
8.4.2 Visual Effects
8.4.3 Hide/Show Pairs
8.4.4 Drag-and-Drop
8.4.5 Sortables
8.4.6 Slider Control
8.4.7 Scriptaculous Development
Tips
8.5 Summary
Chapter 9 Libraries Used in Part II: HTML_AJAX
9.1 HTML_AJAX
9.1.1 Installation
9.1.2 HTML_AJAX JavaScript
API
9.1.3 Remote Stub AJAX
9.1.4 Using HTML_AJAX_Action
9.1.5 JavaScript Behaviors
9.1.6 JavaScript Utility Methods
9.1.7 PHP Utility Methods
9.1.8 HTML_AJAX Development
Tips
9.2 Summary
Chapter 10 Speeding Up Data Display
10.1 Overview of the Sun Rise and Set Data Viewer
10.2 Building the Non-AJAX Version of the Sun Rise
and Set Viewer
10.2.1 SunRiseSet Class
10.2.2 Graph.php
10.2.3 Standard.php
10.3 Problems with the Non-AJAX Viewer
10.4 Improving Viewing with AJAX
10.4.1 Viewer HTML Updated
for AJAX
10.4.2 Viewer PHP Script Updated
for AJAX
10.5 Summary
Chapter 11 Adding an AJAX Login to a Blog
11.1 Why Logins Work Well with AJAX
11.2 Building an AJAX Login
11.3 Extending the Login Form
11.4 Implementing the AJAX Comment Login System Using
XML
11.5 Summary
Chapter 12 Building a Trouble-Ticket System
12.1 Trouble-Ticketing System
12.2 AJAX Reliance Scale
12.3 Creating the Back End
12.4 Exporting the Back End
12.5 Building the JavaScript Application
12.6 Login Component
12.7 User-Registration Component
12.8 Account-Editing Component
12.9 Ticket-Creation Component
12.10 Ticket-Editor Component
12.11 My-Tickets Component
12.12 Assign-Tickets Component
12.13 Security Considerations with AJAX Applications
12.14 Comparing Our AJAX-Driven Application against a
Standard MVC Model
12.15 Summary
Appendix A JavaScript AJAX Libraries
AJAX Toolbox
Bajax
Dojo Toolkit
libXmlRequest
MochiKit
Rico
Simple AJAX Code-Kit (SACK)
ThyAPI
Qooxdoo
XHConn
Yahoo! User Interface Library
Appendix B AJAX Libraries with Server Ties
PHP
AjaxAC
HTML_AJAX
PAJAJ
TinyAjax
Xajax
XOAD
Java
AjaxTags
Direct Web Remoting (DWR)
Google Web Toolkit
ZK
C#/.NET
Ajax.NET
Anthem.NET
Atlas
MagicAJAX.NET
Multiple Languages
CPAINT
Rialto
SAJAX
Appendix C JavaScript DHTML Libraries
Accesskey Underlining Library (AUL)
Behaviour
cssQuery()
Dean Edwards IE7
DOM-Drag
JavaScript Shell
Lightbox JS
Moo.fx
Nifty Corners Cube
overLIB
Sorttable
Tooltip.js
WZ_jsgraphics
WZ_dragdrop
About the Author
Joshua Eichorn, Senior Architect for Uversa, has developed custom solutions
that have incorporated AJAX concepts since before the term “AJAX”
was coined. He has more than six years’ experience with open source projects,
and created phpDocumentor, the #1 PHP documentation solution. He is currently
lead maintainer of the HTML_AJAX PHP PEAR library, and helps to run the Phoenix,
Arizona PHP Users Group. His blog, There and Back Again (blog.joshuaeichorn.com)
, focuses on AJAX and PHP innovations.
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