Download Ajax in action by Dave Crane PDF

By Dave Crane

Val's Blog "A enormously priceless box advisor in particular written for builders down within the trenches...waiting for the killer solution..."

net clients have become uninterested in the normal internet adventure. They get pissed off wasting their scroll place; they get pissed off anticipating refresh; they try to reorient themselves on each new web page. And the checklist is going on. With asynchronous JavaScript and XML, often called "Ajax," you could supply them a greater event. as soon as clients have skilled an Ajax interface, they hate to return. Ajax is new mind set that could lead to a flowing and intuitive interplay with the consumer.

Ajax in Action is helping you enforce that thinking--it explains how one can distribute the applying among the customer and the server (hint: use a "nested MVC" layout) whereas preserving the integrity of the method. you'll ascertain your app is versatile and maintainable, and the way strong, established layout may also help keep away from difficulties like browser incompatibilities. alongside how it is helping you unlearn many elderly coding conduct. exceptionally, it opens your brain to the various benefits received through putting a lot of the processing within the browser. when you are an online developer who has previous event with internet applied sciences, this booklet is for you.

buy of the print booklet comes with a proposal of a loose PDF, ePub, and Kindle e-book from Manning. additionally on hand is all code from the e-book.

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With Ajax, we are taking a bunch of dusty old technologies and stretching them well beyond their original scope. We need to be able to manage the complexity that we have introduced. This book will discuss the how-tos of the individual technologies but will also look at the bigger picture of managing large Ajax projects. We’ll introduce Ajax design patterns throughout the book as well to help us get this job done. Design patterns help us to capture our knowledge and experience with a technology as we acquire it and to communicate it with others.

6 Sequence diagram of a local procedure call. Very few actors are involved here, as the program logic and the data model are both stored in local memory and can see each other directly. Why Ajax rich clients? 7 Sequence diagram of a remote procedure call. The program logic on one machine attempts to manipulate a data model on another machine. These interactions are complex but amenable to automation. NET Framework offer this functionality for free. Nonetheless, internally a lot of activity is going on when a remote procedure call (RPC) is made, and if such calls are made too freely, performance will suffer.

In an Ajax application, the styling of a user interface may be modified interactively through CSS. Document Object Model (DOM) The DOM presents the structure of web pages as a set of programmable objects that can be manipulated with JavaScript. Scripting the DOM allows an Ajax application to modify the user interface on the fly, effectively redrawing parts of the page. XMLHttpRequest object The (misnamed) XMLHttpRequest object allows web programmers to retrieve data from the web server as a background activity.

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