Read e-book online Advanced Ajax: Architecture and Best Practices PDF

By Shawn M. Lauriat

ISBN-10: 0131350641

ISBN-13: 9780131350649

“I greatly loved how this publication covers the entire Ajax program lifecycle and never purely coding ideas. a person who's trying to turn into a qualified front-end developer will savour the architectural perception and top practices added via this book.”  — Andi Gutmans, Co-Founder & Co-Chief know-how Officer of Zend applied sciences   Mission-Critical Ajax: Maximizing Scalability, functionality, defense, Reliability, and Maintainability   complicated Ajax: structure and most sensible Practices is the definitive consultant to construction business-critical, production-quality net purposes with Ajax. Shawn M. Lauriat systematically addresses the layout, structure, and improvement concerns linked to Ajax, delivering confirmed styles and strong code examples to be had in no different booklet. You’ll locate most sensible practices for addressing the entire spectrum of concerns company Ajax builders face: scalability, functionality, safety, reliability, flexibility, maintainability, and reusability.   Writing for skilled internet builders, Lauriat grants clean principles and chic strategies: meaty technical content material, provided with unheard of readability. one of the issues he covers in unparalleled intensity: cleanly imposing JavaScript customized occasions to minimize coupling and to augment flexibility; overcoming Ajax’s conventional accessibility obstacles; decreasing community latency via compression and different strategies; and lots more and plenty extra. assurance contains  making plans Ajax interfaces for simplicity, readability, and intuitiveness growing scalable, maintainable architectures for client-side JavaScript utilizing the newest instruments to profile, validate, and debug client-side code Architecting the server facet for protection and performance, whereas proscribing loaded facts, gadgets, and activities to present requests conserving opposed to the main common and important Ajax safety hazards Optimizing each portion of an Ajax program, from server-side scripts to database interactions Introducing state of the art Ajax: video game improvement, Ajax with canvas, and Ajax for company functions in regards to the website This book’s better half site ( doesn’t simply supply the entire code: It exhibits code examples in motion, as construction blocks of a true internet software interface.

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Example text

Safari has support for current drafts of a few CSS3 properties and much more precise control over character spacing, kerning, and margins. 13 An increasing amount of accurate support. 13 shows an increasing amount of accurate support. ) Coding CSS and JavaScript unobtrusively not only makes it easier for the interface to degrade gracefully, but also it encourages clearer lines between interface structure, design, and behavior. Besides keeping the markup clean of inline styles and scripts (including inline event listeners such as onclick or onsubmit), it rewards good coding practices by making maintenance easier and faster.

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Lots of post text. Lots of post text. Lots of post text. text. Lots of post text. Lots of post text. Lots of post text. previousSibling; } } } } This gets the root element (as far as this example needs to have) and retrieves a NodeList of all ul elements contained within. It then loops through each of them, working its way from the last child node (a text node containing white space, for most of these elements) until it finds an element node.

As an example, the following markup for the area of a pie, with a thickness of a and a radius of z, makes for a much more accessible display than an image rendering. 1. 1 The previous MathML example rendered in the browser. As described in a number of the checklist items, in order to meet WCAG level 2 standards, a web application must use semantic markup. Any headings must properly use the h1 through h6 tags, lists must use the markup available for describing and organizing lists (dl, ol, and ul), and quotations must use the markup available rather than a given string simply having quotation marks surround it.

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Advanced Ajax: Architecture and Best Practices by Shawn M. Lauriat

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