Sistemas

THE EXPERT’S VOICE ® IN WEB DEVELOPMENT

Pro

HTML5 Programming
Powerful APIs for Richer Internet Application Development
Use HTML5 to create cutting-edge web applications

Peter Lubbers, Brian Albers, and Frank Salim
Foreword by Paul Irish, Google

Pro HTML5 Programming
Powerful APIs for Richer Internet Application Development

■■■ PETER LUBBERS BRIAN ALBERS FRANK SALIMPro HTML5 Programming: Powerful APIs for Richer Internet Application Development
Copyright © 2010 by Peter Lubbers, Brian Albers, Frank Salim All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval system, without the prior written permissionof the copyright owner and the publisher. ISBN-13 (pbk): 978-1-4302-2790-8 ISBN-13 (electronic): 978-1-4302-2791-5 Printed and bound in the United States of America 9 8 7 6 5 4 3 2 1 Trademarked names, logos, and images may appear in this book. Rather than use a trademark symbol with every occurrence of a trademarked name, logo, or image we use the names, logos, and images only in aneditorial fashion and to the benefit of the trademark owner, with no intention of infringement of the trademark. The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights. President and Publisher: Paul Manning Lead Editor:Clay Andres Development Editor: Matthew Moodie Technical Reviewer: Paul Haine Editorial Board: Clay Andres, Steve Anglin, Mark Beckner, Ewan Buckingham, Gary Cornell, Jonathan Gennick, Jonathan Hassell, Michelle Lowman, Matthew Moodie, Duncan Parkes, Jeffrey Pepper, Frank Pohlmann, Douglas Pundick, Ben Renow-Clarke, Dominic Shakeshaft, Matt Wade, Tom Welsh Coordinating Editor: Laurin BeckerCopy Editors: Heather Lang, Andy Rosenthal, Nancy Sixsmith Compositor: Kimberly Burton Indexer: Julie Grady Artist: April Milne Cover Designer: Anna Ishchenko Distributed to the book trade worldwide by Springer Science+Business Media, LLC., 233 Spring Street, 6th Floor, New York, NY 10013. Phone 1-800-SPRINGER, fax (201) 348-4505, e-mail orders-ny@springer-sbm.com, or visitwww.springeronline.com. For information on translations, please e-mail rights@apress.com, or visit www.apress.com. Apress and friends of ED books may be purchased in bulk for academic, corporate, or promotional use. eBook versions and licenses are also available for most titles. For more information, reference our Special Bulk Sales–eBook Licensing web page at www.apress.com/info/bulksales. The information inthis book is distributed on an “as is” basis, without warranty. Although every precaution has been taken in the preparation of this work, neither the author(s) nor Apress shall have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the information contained in this work. The source code for this book is availableto readers at www.prohtml5.com and also at www.apress.com.

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For my beautiful wife, Vittoria, and for my sons—Sean and Rocky. I am so proud of you! —Peter Lubbers For John. You make it all worthwhile. —Brian Albers For people who still read books. —Frank Salim

Contents at a Glance
■Foreword.................................................................................................................. xiii ■About the Authors..................................................................................................... xiv ■About the Technical Reviewer ................................................................................... xv ■Acknowledgements .................................................................................................. xvi...