By Shawn M. Lauriat
“I a great deal loved how this booklet covers the total Ajax software lifecycle and never merely coding innovations. an individual who's seeking to develop into a certified front-end developer will get pleasure from the architectural perception and top practices introduced by way of this book.” — Andi Gutmans, Co-Founder & Co-Chief know-how Officer of Zend Technologies
Mission-Critical Ajax: Maximizing Scalability, functionality, safeguard, Reliability, and Maintainability
Advanced Ajax: structure and most sensible Practices is the definitive advisor to development business-critical, production-quality net functions with Ajax. Shawn M. Lauriat systematically addresses the layout, structure, and improvement matters linked to Ajax, providing confirmed styles and strong code examples on hand in no different publication. You’ll locate top practices for addressing the complete spectrum of matters firm Ajax builders face: scalability, functionality, protection, reliability, flexibility, maintainability, and reusability.
- Planning Ajax interfaces for simplicity, readability, and intuitiveness
- Using the most recent instruments to profile, validate, and debug client-side code
- Architecting the server facet for safeguard and performance, whereas limiting loaded info, gadgets, and activities to present requests
- Protecting opposed to the main common and important Ajax defense hazards
- Optimizing each component to 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
About the internet Site
This book’s significant other website (http://advancedajax.frozen-o.com) doesn’t simply supply the entire code: It indicates code examples in action, as development blocks of a true net software interface.
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Extra info for Advanced Ajax. Architecture and Best Practices
Using CSS for page layout ensures that the web application’s page structure stays cohesive, by the page having markup semantically deﬁne and associate elements correctly. However, when displaying tabular data, the table tag (along with its supporting tags) must get used. Fortunately, this works to the favor of the markup author as well as the users. The use of the thead, tbody, and tfoot tags, each with their corresponding tr collections of th tags or td tags (in the case of tbody), gives a semantic foothold for scripting and styles.
Users don’t expect communication with the server in any form unless one of the following is true: • The user initiates the action—This comes in the form of clicking a mouse button, hitting the Enter or Return key, ending a drag-and-drop action, or performing some other definitive event to indicate an expected response from the server. • The action taken does not take the user out of context and happens in seamless integration with the current interface—Auto-saving drafts falls into this category, along with streaming requests such as an RSS ticker.
To keep the users from having to wait, you may want to use some sort of ﬁltering or pagination (or both). This may require more steps to get to the information of interest to the users, but will get it to them faster. In order to create accessible forms, you must use properly labeled form inputs with explicit association between labels and their inputs, which actually kills three birds with one stone (so to speak). First, it creates the semantically correct markup a screen reader WCAG and Section 508 49 uses to describe the form to the user accurately.