文档介绍：01_579088 3/28/05 11:33 AM Page iiProfessional JavaScript?for Web Developers01_579088 3/28/05 11:33 AM Page i01_579088 3/28/05 11:33 AM Page iiProfessional JavaScript?for Web DevelopersNicholas C. Zakas01_579088 3/28/05 11:33 AM Page iiiProfessional JavaScript?for Web DevelopersCopyright ? 2005 by Wiley Publishing Inc. All rights by Wiley Publishing, Inc., Indianapolis, IndianaPublished simultaneously in CanadaNo part of this publication may be reproduced, stored in a retrieval system, or transmitted in any formor by any means, electronic, mechanical, photocopying, recording, scanning, or otherwise, except aspermitted under Section 107 or 108 of the 1976 United States Copyright Act, without either the priorwritten permission of the Publisher, or authorization through payment of the appropriate per-copy feeto the Copyright Clearance Center, Inc., 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax(978) 646-8700. Requests to the Publisher for permission should be addressed to the Legal Department,Wiley Publishing, Inc., 10475 Crosspoint Blvd., Indianapolis, IN 46256, (317) 572-3447, fax (317)572-4355, or online at / OF LIABILITY/DISCLAIMER OF WARRANTY:THE PUBLISHER AND THE AUTHORMAKE NO REPRESENTATIONS OR WARRANTIES WITH RESPECT TO THE ACCURACY PLETENESS OF THE CONTENTS OF THIS WORK AND SPECIFICALLY DISCLAIM ALLWARRANTIES, INCLUDING WITHOUT LIMITATION WARRANTIES OF FITNESS FOR APARTIC-ULAR PURPOSE. NO WARRANTY MAY BE CREATED OR EXTENDED BY SALES OR PROMO-TIONAL MATERIALS. THE ADVICE AND STRATEGIES CONTAINED HEREIN MAY NOT BESUITABLE FOR EVERY SITUATION. THIS WORK IS SOLD WITH THE UNDERSTANDING THATTHE PUBLISHER IS NOT ENGAGED IN RENDERING LEGAL, ACCOUNTING, OR OTHER PRO-FESSIONAL SERVICES. IF PROFESSIONAL ASSISTANCE IS REQUIRED, THE SERVICES OF ACOMPETENT PROFESSIONAL PERSON SHOULD BE SOUGHT. NEITHER THE PUBLISHER NOTTHE AUTHOR SHALL BE LIABLE FOR DAMAGES ARISING HEREFROM. T