Book Image

jQuery 1.4 Animation Techniques: Beginners Guide

Book Image

jQuery 1.4 Animation Techniques: Beginners Guide

Overview of this book

Master animation in jQuery to produce slick and attractive interfaces that respond to your visitors' interactions jQuery is a cross-browser JavaScript library designed to simplify the client-side scripting of HTML, and is the most popular JavaScript library in use today. Using the features offered by jQuery, developers are able to create dynamic web pages. This book will act as a resource for you to create animation and advanced special effects in your web applications, by following the easy-to-understand steps mentioned in it.jQuery 1.4 Animation Techniques: Beginners Guide will allow you to master animation in jQuery to produce slick and attractive interfaces that respond to your visitors' interactions. You will learn everything you need to know about creating engaging and effective web page animations using jQuery. The book uses many examples and explains how to create animations using an easy, step-by-step, beginners guide approach. This book will provide you with... This book provides various examples that gradually build up the reader’s knowledge and practical experience in using the jQuery API to create stunning animations. The book starts off by explaining how animations make your user interface interactive and attractive. It explains the various methods used to make the element being animated appear or disappear. It provides a set of steps to create simple animations and show fading animations. You can later learn how to make complex animations by chaining different effects together as well as how to halt a currently running application. You will find out how to slide your animation elements and learn to create custom animations that can be complex and specialized. You will find out how to obtain and set up the jQuery UI— the official user interface library for jQuery. The book will tell you how to animate a page's background image, and will teach you how to make images scroll in a certain direction and at a certain speed depending on the movement of the mouse pointer
Table of Contents (19 chapters)
jQuery 1.4 Animation Techniques Beginner's Guide
Credits
Foreword
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Fading PNGs in IE


In the previous examples, we've looked at fading in and out using CSS background colors to illustrate the effect. We could easily extend it to include background images instead, which generally work just as well, if not better, with this effect.

One thing to watch out for when using background images in conjunction with fading animations however is that problems can be encountered with the display of the images when the animations are viewed in Microsoft's Internet Explorer.

It is known as the black-border problem and causes a black aura to be displayed around the image when a PNG with alpha-transparency (semi-opacity) is used as the background image. It really only affects IE8 as there are work-arounds that can be used to fix the issue in both IE7 and IE6.

Here's a screenshot of the problem:

The previous screenshot shows a fadeout() animation in progress. The jagged black border around the logo is the issue we face in IE and is caused by Microsoft's proprietary filter properties...