Ajax for Web Application Developers

Ajax for Web Application Developers

By: Kris Hadlock (author)Paperback

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Reusable components and patterns for Ajax-driven applications Ajax is one of the latest and greatest ways to improve users' online experience and create new and innovative web functionality. By allowing specific parts of a web page to be displayed without refreshing the entire page, Ajax significantly enhances the experience of web applications. It also lets web developers create intuitive and innovative interaction processes. Ajax for Web Application Developers provides the in-depth working knowledge of Ajax that web developers need to take their web applications to the next level. The book shows how to create an Ajax-driven web application from an object-oriented perspective, and it includes discussion of several useful Ajax design patterns. This detailed guide covers the creation of connections to a MySQL database with PHP 5 via a custom Ajax engine and shows how to gracefully format the response with CSS, JavaScript, and XHTML while keeping the data tightly secure. It also covers the use of four custom Ajax-enabled components in an application and how to create each of them from scratch. The final section of the book combines the individual code examples and techniques from earlier chapters of the book into one larger, Ajax-driven application-an internal web mail application that can be used in any user-based application, such as a community-based web application. Readers will learn not only how to create and use their own reusable Ajax components in this application but also how to connect their components to any future Ajax applications that they might build. Web Development/Ajax/JavaScript

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About Author

Kris Hadlock has been a contract web developer and designer since 1996. He is a featured columnist and writer for InformIT and numerous web design magazines. He is also the founder of Studio Sedition, a web application development firm, and is the cofounder of 33Inc, the company responsible for DashboardHQ. He maintains a blog called Designing with Code, which focuses on web application development from a design perspective and often features useful code snippets to help enhance web applications.You can find all of the above and more about Kris on his website at www.krishadlock.com.


Introduction An Introduction to the Book Samples I: Getting Started 1 Introduction to Ajax The XML DOM Measuring the Benefits 2 The Request An In-Depth Look at XMLHttpRequest A Standard XHR A Database-Enabled XHR Sending Data to a Database-Enabled XHR Creating the Object Asynchronous Data Transfers The Ready State HTTP Status Codes and Headers 3 The Response XML Elements Attributes CDATA Parsing XML JSON The Syntax Using JSON Parsing JSON 4 Rendering the Response with XHTML and CSS XHTML CSS II: Creating and Using the JavaScript Engine 5 Object-Oriented JavaScript Object-Oriented Approaches Using the new Operator Literal Notation Associative Arrays JScript.NET Object Constructors Instances Properties Methods Prototypes Instances Creating Properties Overriding and Overwriting Properties Property Protection Methods Extending Objects with Prototyped Methods 6 Creating the Engine Creating a Custom Ajax Wrapper Making Requests The Ready State The Response Creating an Ajax Updater Constructing the Object Updating the Request Object The Response 7 Using the Engine Getting Started Making a Request Engine Methods and Properties 8 Debugging The JavaScript onerror Event responseText IE Developer Toolbar Installing the Plug-in Disabling the Cache Navigating the DOM Viewing Class and ID Information Safari Enhancer Installing Safari Enhancer The JavaScript Console FireBug Installing FireBug The Command Line Logging Messages in the Console Levels of Logging Inspecting Elements Spying on Ajax 9 Extending the Engine Creating a Utilities Object Handling Status Codes with an HTTP Object HTTP Status Code Categories Using the HTTP Object III: Creating Reusable Components 10 Accordion Getting Started The XML Architecture Requesting the XML Creating the Accordion Object Panel Functionality and Data Display Creating the CSS 11 Tree View Structuring the Data Handling the Response Rendering the GUI Adding Style to the Component 12 Client-Side Validation Getting Started Creating a Validation Object Validating User Input Providing Visual Feedback The Server Side The Constructor Verifying User Information Registering and Logging In a User 13 Data Grid Getting Started Creating a DataGrid Object Displaying the Data Creating a DataRow Object Creating a DataColumn Object Adding Design to the Component IV: AJAX Patterns 14 Singleton Pattern An Overview of the Singleton Pattern Creating an Object Using the Singleton Pattern Using the Singleton Object 15 Model View Controller An Overview of the Pattern Creating the Pattern Using the Pattern 16 The Observer Pattern Pattern Overview Register Observers Overview Notify Observers Overview Unregister Observers Overview Creating an Error-Handling Object Register Observers Notify Observers Unregister Observers Using the Error-Handling Object 17 Data Reflection Pattern An Overview The Multi-User Pattern Creating the Pattern 18 Interaction Patterns Creating a History with Cookies The Historian Object Creating and Displaying the XML The Navigation Object Drag and Drop The DragDrop Object 19 Usability Patterns Handling Feedback, Errors, and Warnings Designing with Code V: Server-Side Interaction 20 Understanding Ajax Database Interaction Connecting with PHP Bridging the Gap Making the Requests Making the Connection 21 Interacting with a Database: The Server-Side Connecting to ASP.NET Connecting to ColdFusion 22 Advanced Ajax Database Interaction Bulk Updates Sending Arrays Sending XML Sending JSON Server-Side XML and JSON XML JSON VI: Finishing Touches 23 Securing Your Application Security Holes Password-Protecting Ajax Requests Creating Unique Passwords Verifying Passwords on the Server-Side 24 Best Practices Using the Engine Design Patterns Using Components Static Versus Dynamic Responses Error and Feedback Handling Application History Security 0672329123, TOC, 9/25/2006

Product Details

  • publication date: 30/10/2006
  • ISBN13: 9780672329128
  • Format: Paperback
  • Number Of Pages: 288
  • ID: 9780672329128
  • weight: 399
  • ISBN10: 0672329123

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