Read e-book online Ajax for Web Application Developers (Developer's Library) PDF

By Kris Hadlock

ISBN-10: 0672329123

ISBN-13: 9780672329128

ISBN-10: 0768667135

ISBN-13: 9780768667134

Reusable parts and styles for Ajax-driven functions   Ajax is likely one of the most modern and maximum how one can increase clients’ on-line event and create new and leading edge internet performance. by means of permitting particular elements of an internet web page to be displayed with out fresh the whole web page, Ajax considerably complements the event of internet functions. It additionally we could net builders create intuitive and leading edge interplay procedures.   Ajax for internet program builders presents the in-depth operating wisdom of Ajax that net builders have to take their internet purposes to the subsequent point. The e-book exhibits tips on how to create an Ajax-driven internet software from an object-oriented standpoint, and it contains dialogue of a number of invaluable Ajax layout styles.   This certain advisor covers the construction of connections to a MySQL database with personal home page five through a customized Ajax engine and exhibits the best way to gracefully layout the reaction with CSS, JavaScript, and XHTML whereas retaining the information tightly safe. It additionally covers using 4 customized Ajax-enabled elements in an program and the way to create each one of them from scratch.   the ultimate portion of the ebook combines the person code examples and methods from prior chapters of the ebook into one higher, Ajax-driven application–an inner net mail software that may be utilized in any user-based software, akin to a community-based internet program. Readers will research not just the best way to create and use their very own reusable Ajax elements during this program but additionally the way to attach their parts to any destiny Ajax purposes that they could construct.   internet Development/Ajax/JavaScript   $34.99 united states / $43.99 CAN / ?24.99 internet united kingdom  

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Sample text

6. This will provide us with an array of categories that we can iterate and add one by one to the body div. As we add the categories to the document, we are targeting the data within each of the tags in order to display the actual value of each element. Then we will iterate through the rows to target the action and icon attributes within the items tags through JavaScript’s intrinsic getAttribute method. We will do this by nesting two for loops within the for loop that we are using for the rows, leaving us with a three-layer loop.

This section will explain how to use the object constructor approach for creating multiple instances of objects to gain maximum reusability in our web applications. Object constructors are simply a regular JavaScript function in which we encapsulate properties and methods. It is instantiated by use of the native JavaScript new operator. We start by creating a simple function in which we provide an object name. In the following example, we are creating an employee object constructor. We will use the name of our function as our object name.

An Ajax response can come in various formats; the most common include JSON and the most widely accepted, XML. Each format can be useful depending on the results you are trying to achieve. However, deciding on a single format for your application can be useful as a convention for future management, especially if you are building a large-scale application. This might differ from one application to the next but, if possible, it is an important theory to keep in mind. It is also good to keep in mind the scalability of the technology that you choose, especially if you are planning on creating a scalable application in which you expect exponential growth.

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Ajax for Web Application Developers (Developer's Library) by Kris Hadlock


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