Book Image

Learning jQuery, Third Edition

Book Image

Learning jQuery, Third 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.Learning jQuery Third Edition is revised and updated for version 1.6 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 step 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 Third Edition
Credits
Foreword
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Index

Exercises


To complete these exercises, you will need the index.html file for this chapter, as well as the finished JavaScript code as found in complete.js. These files can be downloaded from the Packt Publishing website at http://www.packtpub.com/support.

The challenge exercise may require use of the official jQuery documentation at http://api.jquery.com/.

  1. When the page loads, pull the body content of exercises-content.html into the content area of the page.

  2. Rather than displaying that whole document at once, create "tooltips" for the letters in the left column by loading just the appropriate letter's content from exercises-content.html when the user's mouse is over the letter.

  3. Add error handling for this page load, displaying the error message in the content area. Test this error handling code by changing the script to request does-not-exist.html rather than exercises-content.html.

  4. Challenge: When the page loads, send a JSONP request to Twitter and retrieve a user's last five messages. Insert...