Ajax Hacks

Foreword;
Credits;
About the Author;
Contributors;
Acknowledgments;
Preface;
Building Single-Page Applications;
Explaining Ajax;
How to Use This Book;
How This Book Is Organized;
Conventions Used in This Book;
Using Code Examples;
Safari Enabled;
How to Contact Us;
Got a Hack?;
Chapter 1: Ajax Basics;
It’s Not a Floor Wax;
Handle with Care;
XMLHttpRequest;
1 Detect Browser Compatibility with the Request Object;
2 Use the Request Object to POST Data to the Server;
3 Use Your Own Library for XMLHttpRequest;
4 Receive Data as XML;
5 Get Plain Old Strings;
6 Receive Data as a Number;
7 Receive Data in JSON Format;
8 Handle Request Object Errors;
9 Dig into the HTTP Response;
10 Generate a Styled Message with a CSS File;
11 Generate a Styled User Message on the Fly;
Chapter 2: Web Forms;
12 Submit Text Field or textarea Values to the Server Without a Browser Refresh;
13 Display Text Field or textarea Values Using Server Data;
14 Submit Selection-List Values to the Server Without a Round Trip;
15 Dynamically Generate a New Selection List Using Server Data;
16 Extend an Existing Selection List;
17 Submit Checkbox Values to the Server Without a Round Trip;
18 Dynamically Generate a New Checkbox Group with Server Data;
19 Populate an Existing Checkbox Group from the Server;
20 Change Unordered Lists Using an HTTP Response;
21 Submit Hidden Tag Values to a Server Component;
Chapter 3: Validation;
22 Validate a Text Field or textarea for Blank Fields;
23 Validate Email Syntax;
24 Validate Unique Usernames;
25 Validate Credit Card Numbers;
26 Validate Credit Card Security Codes;
27 Validate a Postal Code;
Chapter 4: Power Hacks for Web Developers;
28 Get Access to the Google Maps API;
29 Use the Google Maps API Request Object;
30 Use Ajax with a Google Maps and Yahoo! Maps Mash-up;
31 Display a Weather.com XML Data Feed;
32 Use Ajax with a Yahoo! Maps and GeoURL Mash-up;
33 Debug Ajax-Generated Tags in Firefox;
34 Fetch a Postal Code;
35 Create Large, Maintainable Bookmarklets;
36 Use Permanent Client-Side Storage for Ajax Applications;
37 Control Browser History with iframes;
38 Send Cookie Values to a Server Program;
39 Use XMLHttpRequest to Scrape an Energy Price from a Web Page;
40 Send an Email with XMLHttpRequest;
41 Find the Browser’s Locale Information;
42 Create an RSS Feed Reader;
Chapter 5: Direct Web Remoting (DWR)for Java Jocks;
43 Integrate DWR into Your Java Web Application;
44 Use DWR to Populate a Selection List from a Java Array;
45 Use DWR to Create a Selection List from a Java Map;
46 Display the Keys/Values from a Java HashMap on a Web Page;
47 Use DWR to Populate an Ordered List from a Java Array;
48 Access a Custom Java Object with JavaScript;
49 Call a Built-in Java Object from JavaScript Using DWR;
Chapter 6: Hack Ajax with the Prototype and Rico Libraries;
50 Use Prototype’s Ajax Tools with Your Application;
51 Update an HTML Element’s Content from the Server;
52 Create Observers for Web Page Fields;
53 Use Rico to Update Several Elements with One Ajax Response;
54 Create a Drag-and-Drop Bookstore;
Chapter 7: Work with Ajax and Ruby on Rails;
Sensible MVC;
55 Install Ruby on Rails;
56 Monitor Remote Calls with Rails;
57 Make Your JavaScript Available to Rails Applications;
58 Dynamically Generate a Selection List in a Rails Template;
59 Find Out Whether Ajax Is Calling in the Request;
60 Dynamically Generate a Selection List Using Database Data;
61 Periodically Make a Remote Call;
62 Dynamically View Request Information for XMLHttpRequest;
Chapter 8: Savor the script.aculo.us JavaScript Library;
63 Integrate script.aculo.us Visual Effects with an Ajax Application;
64 Create a Login Box That Shrugs Off Invalid Logins;
65 Create an Auto-Complete Field with script.aculo.us;
66 Create an In-Place Editor Field;
67 Create a Web Form That Disappears When Submitted;
Chapter 9: Options and Efficiencies;
68 Fix the Browser Back Button in Ajax Applications;
69 Handle Bookmarks and Back Buttons with RSH;
70 Set a Time Limit for the HTTP Request;
71 Improve Maintainability, Performance, and Reliability for Large JavaScript Applications;
72 Obfuscate JavaScript and Ajax Code;
73 Use a Dynamic script Tag to Make Web Services Requests;
74 Configure Apache to Deal with Cross-Domain Issues;
75 Run a Search Engine Inside Your Browser;
76 Use Declarative Markup Instead of Script via XForms;
77 Build a Client-Side Cache;
78 Create an Auto-Complete Field;
79 Dynamically Display More Information About a Topic;
80 Use Strings and Arrays to Dynamically Generate HTML;