Throughout the first four chapters of this book, we have been using the .addClass()
and .removeClass()
methods to demonstrate how we can change the appearance of elements on a page. Although we discuss these methods informally in terms of manipulating the class
attribute, jQuery actually modifies a DOM property called className
. The .addClass()
method creates or adds to the property, while .removeClass()
deletes or shortens it. Add to these the .toggleClass()
method, which alternates between adding and removing class names, and we have an efficient and robust way of handling classes. These methods are particularly helpful in that they avoid adding a class if it already exists on an element (so we don't end up with <div class="first first">
, for example), and correctly handle cases where multiple classes are applied to a single element, such as <div class="first second">
.
Learning jQuery - Fourth Edition - Fourth Edition
Learning jQuery - Fourth Edition - Fourth Edition
Overview of this book
To build interesting, interactive sites, developers are turning to JavaScript libraries such as jQuery to automate common tasks and simplify complicated ones. Because many web developers have more experience with HTML and CSS than with JavaScript, the library's design lends itself to a quick start for designers with little programming experience. Experienced programmers will also be aided by its conceptual consistency.
LearningjQuery - Fourth Edition is revised and updated version of jQuery. You will learn the basics of jQuery for adding interactions and animations to your pages. Even if previous attempts at writing JavaScript have left you baffled, this book will guide you past the pitfalls associated with AJAX, events, effects, and advanced JavaScript language features.
Starting with an introduction to jQuery, you will first be shown how to write a functioning jQuery program in just three lines of code. Learn how to add impact to your actions through a set of simple visual effects and to create, copy, reassemble, and embellish content using jQuery's DOM modification methods. The book will take you through many detailed, real-world examples, and even equip you to extend the jQuery library itself with your own plug-ins.
Table of Contents (24 chapters)
Learning jQuery Fourth Edition
Credits
Foreword
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Free Chapter
Getting Started
Selecting Elements
Handling Events
Styling and Animating
Manipulating the DOM
Sending Data with Ajax
Using Plugins
Developing Plugins
Advanced Selectors and Traversing
Advanced Events
Advanced Effects
Advanced DOM Manipulation
Advanced Ajax
JavaScript Closures
Testing JavaScript with QUnit
Quick Reference
Index
Customer Reviews