Thomas A. Powell's Ajax: The Complete Reference PDF

By Thomas A. Powell

ISBN-10: 007149216X

ISBN-13: 9780071492164

The Definitive advisor to Ajax net program Development
Evolve from the click-and-wait programming trend to the newest internet 2.0 paradigm utilizing this entire consultant to Ajax. Written via net improvement specialist Thomas Powell, the e-book lays out each characteristic of Ajax along distinct causes and real-world code examples.
Ajax: the entire Reference explains how one can create and try out Ajax-enabled net functions utilizing the XMLHttpRequest item in addition to substitute JavaScript-based conversation mechanisms. you will discover a number of pattern purposes that includes rising user-interface conventions and construct functions that tackle real-world networking and safeguard matters. a powerful conversation library is constructed through the publication that allows you to architect versatile Ajax purposes. the newest applied sciences reminiscent of internet providers, Flash-Ajax integration, client-side templates, Comet, and Offline entry also are lined. observe the way forward for internet improvement today!
- paintings with conventional JavaScript conversation techniques like iframes
- discover all of the quirks and info within the XMLHttpRequest object
- deal with disparate information codecs, together with XML, JSON, CSV, YAML, and more
- take care of networking concerns, together with timeouts, retries, reaction ordering, and quite a few server and content material errors
- Simplify JavaScript programming utilizing open-source Ajax libraries like YUI
- safe Ajax purposes utilizing authentication, obfuscation, and encryption
- enforce universal Ajax UI styles reminiscent of car recommend, click-to-edit, and drag-and-drop
- clear up troubling Ajax structure difficulties, together with again button, historical past, and bookmarking issues
- research Ajax's function in net 2.0 and internet services
- discover push kind communique utilizing Comet and Flash
- detect the way forward for offline net program entry and operation

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Effects upon Traditional Web Architecture Typical Ajax applications will very likely sit on a single URL with updates happening within the page. This is very different from the architecture traditionally used on the Web where one URL is equated to one page or a particular state within the application. With URLs uniquely identifying page or state, it is easy to provide this address to others, record it as a bookmark, index it as part of a search result, and move around the site or application with the Web browser’s history mechanism.

The term was first coined by Jesse James Garrett in an article written in February 2005. However, undoubtedly Jesse would be the first to acknowledge that the idea of Ajax goes back much farther than his application of Chapter 1: Introduction to Ajax Implications of Ajax It should go without saying that the implications of Ajax are significant. A few of the major considerations are presented here for thought. More actionable responses to the network, architecture, and interface challenges caused by Ajax will be presented throughout later chapters.

Php is shown here: /* pull the user ratings via the query string */ if (isset($_REQUEST['rating'])) $rating = htmlentities(substr(urldecode($_REQUEST['rating']),0,1024)); else $rating = 0; if (isset($_REQUEST['comment'])) $comment = htmlentities(substr(urldecode($_REQUEST['comment']),0,1024)); else $comment = ""; Clearly this is just the tip of the iceberg, but we have all of Chapter 7 to get into many of the security challenges facing Web developers. Cookie-based Transport As a final one-way communications example, we note that headers can be used to send data.

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Ajax: The Complete Reference by Thomas A. Powell

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