Book Image

ASP.NET jQuery Cookbook (Second Edition) - Second Edition

By : Sonal Merchant, Sonal Aneel Allana
Book Image

ASP.NET jQuery Cookbook (Second Edition) - Second Edition

By: Sonal Merchant, Sonal Aneel Allana

Overview of this book

jQuery is a lightweight JavaScript library that has changed the landscape of client scripting in web applications. Developed by John Resig in 2006, it has taken the web by storm because of its cross-browser compatibility and the ability to get more done with less code. It has gained popularity with ASP.NET developers and is now distributed with Visual Studio and the NuGet package manager. ASP.NET jQuery Cookbook explores the wide range of utilities that the jQuery library provides. It teaches you the nitty-gritty of plugging in these features in ASP.NET web applications. It covers every aspect of interfacing the library, right from downloading and including jQuery on web pages to selecting controls, handling events, and creating animations. This book also walks you through DOM traversal and manipulation in ASP.NET and then through visual effects and graphics in ASP.NET sites. It explores advanced features such as posting AJAX requests and writing plugins. It will provide you with all the information you need to use this library confidently with ASP.NET.
Table of Contents (15 chapters)
ASP.NET jQuery Cookbook Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Index

Providing default values


It is a good practice to provide configurable items in plugin methods to enable developers to customize according to the requirements of their application. The use of an options object enables us to achieve this. A default set of options can also be provided so that developers can selectively override the configurations that they want.

In this example, let's build the plugin created in the previous recipe to provide the options object as well as provide a map of default values.

The constructs used in this example are summarized as follows:

Construct

Type

Description

$

jQuery function

This refers to the jQuery function. $ is an alias for jQuery.

$("#identifier")

jQuery selector

This selects an element based on its ID.

$(this)

jQuery object

This refers to the current jQuery object.

$.extend()

jQuery function

This merges the contents of two or more objects into the first object.

.css()

jQuery method

This gets the style property for the first...