eBook - ePub
Learning jQuery - Fourth Edition
Jonathan Chaffer, Karl Swedberg
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- 444 pages
- English
- ePUB (mobile friendly)
- Available on iOS & Android
eBook - ePub
Learning jQuery - Fourth Edition
Jonathan Chaffer, Karl Swedberg
Book details
Book preview
Table of contents
Citations
About This Book
Step through each of the core concepts of the jQuery library, building an overall picture of its capabilities. Once you have thoroughly covered the basics, the book returns to each concept to cover more advanced examples and techniques.This book is for web designers who want to create interactive elements for their designs, and for developers who want to create the best user interface for their web applications. Basic JavaScript programming and knowledge of HTML and CSS is required. No knowledge of jQuery is assumed, nor is experience with any other JavaScript libraries.
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Information
Learning jQuery Fourth Edition
Table of Contents
Learning jQuery Fourth Edition
Credits
Foreword
About the Authors
About the Reviewers
www.PacktPub.com
Support files, eBooks, discount offers and more
Why Subscribe?
Free Access for Packt account holders
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Downloading the example code
Errata
Piracy
Questions
1. Getting Started
What jQuery does
Why jQuery works well
Making our first jQuery-powered web page
Downloading jQuery
Deciding on the version of jQuery to use
Setting up jQuery in an HTML document
Adding our jQuery code
Finding the poem text
Injecting the new class
Executing the code
The finished product
Plain JavaScript versus jQuery
Using development tools
Chrome Developer Tools
Summary
2. Selecting Elements
Understanding the DOM
Using the $() function
CSS selectors
Styling list-item levels
Attribute selectors
Styling links
Custom selectors
Styling alternate rows
Finding elements based on textual content
Form selectors
DOM traversal methods
Styling specific cells
Chaining
Accessing DOM elements
Summary
Further reading
Exercises
3. Handling Events
Performing tasks on page load
Timing of code execution
Handling multiple scripts on one page
Alternate syntax for .ready()
Passing an argument to the .ready() callback
Handling simple events
A simple style switcher
Enabling the other buttons
Making use of the event handler context
Consolidating code using the event context
Shorthand events
Showing and hiding advanced features
Event propagation
The journey of an event
Side effects of event bubbling
Altering the journey – the event object
Event targets
Stopping event propagation
Preventing default actions
Delegating events
Using built-in event-delegation capabilities
Removing an event handler
Giving namespaces to event handlers
Rebinding events
Simulating user interaction
Reacting to keyboard events
Summary
Further reading
Exercises
4. Styling and Animating
Modifying CSS with inline properties
Setting computed style-property values
Using vendor-specific style properties
Hiding and showing elements
Effects and duration
Speeding in
Fading in and fading out
Sliding up and sliding down
Toggling visibility
Creating custom animations
Building effects by hand
Animating multiple properties at once
Positioning with CSS
Simultaneous versus queued effects
Working with a single set of elements
Bypassing the queue
Queuing effects manually
Working with multiple sets of elements
Queuing with callbacks
In a nutshell
Summary
Further reading
Exercises
5. Manipulating the DOM
Manipulating attributes and properties
Non-class attributes
Value callbacks
DOM element properties
The value of form controls
DOM tree manipulation
The $() function revisited
Creating new elements
Inserting new elements
Moving elements
Wrapping elements
Explicit iteration
Using inverted insertion methods
Copying elements
Cloning for pull quotes
Content getter and setter methods
DOM manipulation methods in a nutshell
Summary
Further reading
Exercises
6. Sending Data with Ajax
Loading data on demand
Appending HTML
Working with JavaScript objects
Retrieving JSON
Using global jQuery functions
Executing a script
Loading an XML document
Choosing a data format
Passing data to the server
Performing a GET request
Performing a POST request
Serializing a form
Delivering different content for Ajax requests
Keeping an eye on the request
Error handling
Ajax and events
Security limitations
Using JSONP for remote data
Exploring additional options
The low-level Ajax method
Modifying default options
Loading parts of an HTML page
Summary
Further reading
Exercises
7. Using Plugins
Finding plugins and help
Using a plugin
Downloading and referencing the Cycle plugin
Calling a plugin method
Specifying plugin method parameters
Modifying parameter defaults
Other types of plugins
Custom selectors
Global function plugins
The jQuery UI plugin library
Effects
Color animations
Class animations
Advanced easing
Additional effects
Interaction components
Widgets
jQuery UI ThemeRoller
The jQuery Mobile plugin library
HTML5 custom data attributes
Mobile navigation
Delivering multiple pages in one document
Interactive elements
List views
Toolbar buttons
Advanced features
Summary
Exercises
8. Developing Plugins
Using the dollar ($) alias in plugins
Adding new global functions
Adding multiple functions
Extending the global jQuery object
Isolating functions within namespaces
Adding jQuery object methods
Object method context
Implicit iteration
Enabling method chaining
Providing flexible method parameters
The options object
Default parameter values
Callback functions
Customizable defaults
Creating plugins with the jQuery UI widget factory
Creating a widget
Destroying widgets
Enabling and disabling widgets
Accepting widget options
Adding submethods
Triggering widget events
Plugin design recommendations
Distributing a plugin
Summary
Exercises
9. Advanced Selectors and Traversing
Selecting an...