May mắn thay, bạn có thể sử dụng để xác định một người truy cập trình duyệt đang sử dụng. Sau đó, bạn có thể sử dụng thông tin đó để cung cấp những nội dung phù hợp cho trình duyệt cụ thể, hoặc bằng cách chuyển hướng người truy cập vào một trang có chứa nội dung đặc biệt thiết kế riêng cho trình duyệt hoặc bằng cách viết JavaScript của bạn để cùng một trang làm những việc khác nhau tùy thuộc vào trình duyệt xem nó | THE BOOK of JAVASCRIPT 2ND EDITION A PRACTICAL GUIDE TO INTERACTIVE WEB PACKS -- THE BOOK of JAVASCRIPT 2ND EDITION A PRACTICAL GUIDE TO INTERACTIVE WEB PAGES by thau NO STARCH PRESS San Francisco THE BOOK OF JAVASCRIPT 2ND EDITION. Copyright 2007 by Dave Thau. First edition 2000 by Dave Thau. 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 permission of the copyright owner and the publisher. Printed on recycled paper in the United States of America 10 09 08 07 06 1 2 3 4 5 6 7 8 9 ISBN-10 1-59327-106-9 ISBN-13 978-1-59327-106-0 Publisher William Pollock Associate Production Editor Christina Samuell Cover and Interior Design Octopod Studios Developmental Editors Jim Compton William Pollock and Riley Hoffman Technical Reviewer Luke Knowland Copyeditor Publication Services Inc. Compositors Riley Hoffman and Megan Dunchak Proofreader Stephanie Provines Indexer Nancy Guenther For information on book distributors or translations please contact No Starch Press Inc. directly No Starch Press Inc. 555 De Haro Street Suite 250 San Francisco CA 94107 phone fax info@ Library of Congress Cataloging-in-Publication Data Thau. The book of JavaScript a practical guide to interactive Web pages Thau . -- 2nd ed. p. cm. Includes index. ISBN-13 978-1-59327-106-0 ISBN-10 1-59327-106-9 1. JavaScript Computer program language I. Title. 2006 3--dc22 2006011786 No Starch Press and the No Starch Press logo are registered trademarks of No Starch Press Inc. Other product and company names mentioned herein may be the trademarks of their respective owners. Rather than use a trademark symbol with every occurrence of a trademarked name we are using the names only in an editorial fashion and to the benefit of the trademark owner with no
