文档介绍：JavaScript &
jQuery
The book that should have been in the box®
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JavaScript &
jQuery
2nd Edition
The book that should have been in the box®
David Sawyer McFarland
Beijing | Cambridge | Farnham | Köln | Sebastopol | Tokyo
JavaScript & jQuery: The Missing Manual, Second Edition
by David Sawyer McFarland
Copyright © 2012 David Sawyer McFarland. All rights reserved.
Printed in the United States of America.
Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472.
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Printing History:
July 2008: First Edition.
October 2011: Second Edition.
Nutshell Handbook, the Nutshell Handbook logo, the O’Reilly logo, and “The book that should
have been in the box” are registered trademarks of O’Reilly Media, Inc. JavaScript & jQuery:
The Missing Manual, The Missing Manual logo, Pogue Press, and the Pogue Press logo are
trademarks of O’Reilly Media, Inc.
Many of the designations used by manufacturers and sellers to distinguish their products are
claimed as trademarks. Where those designations appear in this book, and O’Reilly Media, Inc.,
was aware of a trademark claim, the designations have been printed in caps or initial caps.
While every precaution has been taken in the preparation of this book, the publisher and
authors assume no responsibility for errors or omissions, or for damages resulting from the use
of the information contained herein.
ISBN: 978-1-449-3-9902-3
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Table of Contents
The Missing Credits.. . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Part One: Getting Started with JavaScript
Chapter 1: Writing Your First Ja