Book Image

Building Impressive Presentations with impress.js

Book Image

Building Impressive Presentations with impress.js

Overview of this book

Everyone has had to present during their lifetime. We've all spent agonizing hours trying to make those PowerPoint presentations engaging. Well now there is a tool that will make those presentations look like child's play. Impress.js is a powerful library that eases the task of creating presentations with smooth animations without depending on a software tool. You are no longer limited to desktop tools as these presentations run on any supported browser anywhere on the Internet. "Building Impressive Presentations with impress.js" is a quick guide to creating professional presentations using the best aspects of CSS3. It will also guide you through several practical examples which go beyond the conventional slide-based presentations, covering each aspect of the Impress library. From simple presentations to your own personal website this handy practical guide will ensure you get the most out of Impress.JS as quickly as you can. Starting with a simple slide-based presentation we move quickly on adding in sliders, galleries and portfolios to utilize this amazing tool. 3D transitions, rotations, scaling, and transforms are also covered to give your presentations that something extra. The final step is bringing all this together to create a personal website that is viewable on all impress supported browsers. "Building Impressive Presentations with impress.js" gives you the chance to stand out from the competition and engage with audiences in a way you never have before.
Table of Contents (14 chapters)
Building Impressive Presentations with impress.js
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Handling unsupported browsers


In browsers which do not have the support for impress.js, presentation steps will be displayed all over the place without proper alignment or design which can make it very hard to read. Since users don't have a clear idea about impress.js, it's common that they will consider it as a bad design which is going to ruin your reputation as a designer.

It is thus recommended to provide a notification for users using unsupported browsers. impress.js has an in-built method to provide this functionality using CSS classes. There are two predefined classes called impress-supported and impress-not-supported. When the browser is not supported, the impress-not-supported class will be assigned to the body element and when the browser is fully compatible, the impress-supported class is added to the body.

Now let's create the fallback message for the user. The following is the message used in the default official demo:

<div class="fallback-message">
    <p>Your browser...