Download Advanced Ajax. Architecture and Best Practices by Shawn M. Lauriat PDF

By Shawn M. Lauriat

ISBN-10: 0131350641

ISBN-13: 9780131350649

“I a great deal loved how this publication covers the entire Ajax program lifecycle and never purely coding strategies. an individual who's seeking to turn into a certified front-end developer will savour the architectural perception and top practices brought through this book.”  — Andi Gutmans, Co-Founder & Co-Chief expertise Officer of Zend Technologies


Mission-Critical Ajax: Maximizing Scalability, functionality, safeguard, Reliability, and Maintainability


Advanced Ajax: structure and most sensible Practices is the definitive consultant to development business-critical, production-quality internet functions with Ajax. Shawn M. Lauriat systematically addresses the layout, structure, and improvement concerns linked to Ajax, supplying confirmed styles and strong code examples to be had in no different ebook. You’ll locate top practices for addressing the entire spectrum of matters firm Ajax builders face: scalability, functionality, safety, reliability, flexibility, maintainability, and reusability.


Writing for knowledgeable internet builders, Lauriat offers clean principles and chic strategies: meaty technical content material, offered with unprecedented readability. among the themes he covers in extraordinary intensity: cleanly enforcing JavaScript customized occasions to lessen coupling and to augment flexibility; overcoming Ajax’s conventional accessibility boundaries; lowering community latency via compression and different thoughts; and lots more and plenty extra. insurance includes 

  • Planning Ajax interfaces for simplicity, readability, and intuitiveness
  • Creating scalable, maintainable architectures for client-side JavaScript
  • Using the newest instruments to profile, validate, and debug client-side code
  • Architecting the server aspect for safety and performance, whereas proscribing loaded information, gadgets, and activities to present requests
  • Protecting opposed to the main frequent and critical Ajax safety dangers
  • Optimizing each element of an Ajax software, from server-side scripts to database interactions
  • Introducing state-of-the-art Ajax: online game improvement, Ajax with canvas, and Ajax for company applications

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This book’s better half site ( doesn’t simply supply the entire code: It indicates code examples in action, as development blocks of a true internet program interface.

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Extra info for Advanced Ajax. Architecture and Best Practices

Example text

4 does not come up until the user clicks to move to the next pane (users typically will not expect the check to the server to happen until then). They may want to review their information and correct spelling errors before continuing. For other, longer interfaces, it might make sense to perform this check for the users before they progressed too far past the error; however, for a form as short as this one, making the check on the users’ action makes the most sense. 4 The tabbed interface reporting a “username in use” error.

12). 12 The tabbed user registration interface with CSS disabled. An increasing amount of users take advantage of tools such as the NoScript (www. net) Firefox extension to white-list sites the browser will allow to run JavaScript. This greatly increases the likelihood of users seeing how your Ajax-driven web application behaves without any scripting at all, let alone the XMLHttpRequest object. 38 Chapter 1 Usability JavaScript may also die on a page if the user happens to stumble across a bug resulting in a JavaScript error or exception, which should not keep the page from working via traditional page loads.

Think of it as the client-side template for message output. 11 Data flow diagram showing the interactions of the server-side and client-side messaging. 2 Client-Side Message Queue Because the message queue doesn’t need to know how the messages get displayed, it has more freedom in how it handles data before passing them off to the display. 3 Server-Side Output Management The server-side output management of the application has the same responsibilities and benefits as the client-side output manager, though you have a much higher likelihood of working with an actual template engine, which might even reduce this aspect to a single template.

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