Sams.Teach.Yourself.Ajax.JavaScript.and.PHP.All.in.One.Jul.2008.pdf

Sams Teach Yourself

Ajax , JavaScript and PHP

All

in One

What you should already have to get the most out of this book…

• A familiarity with the basic workings of your computer, your operating system, and the Internet

• A good understanding of HTML and web page development

• Basic web server knowledge and administration may be helpful

Some books

that may

help with

the basics…

Sams Teach Yourself

Windows Vista

All in One

This book will teach

you the basics of using

your computer—and

Windows Vista—

effectively

Sams Teach Yourself Mac

OS X Leopard All in One

Covers all the most

important topics for the

reader who wants to get up

and running as quickly as

possible

What this book will help you learn…

• How to make JavaScript, HTML, XML, and PHP work together to create Ajax effects

• How to build better, more interactive interfaces for your web apps

titles…

Sams Teach Yourself

HTML and CSS

in 24 Hours

Explains the basics for

creating a web page

with HTML and putting it

online

Sams Teach Yourself

JavaScript in 24 Hours

A good introduction

to creating interactive web

sites with JavaScript

Where you may want to go from here…

• Enhance your Ajax skills to build more complex web-based applications

• Expand your web development abilities by learning other languages and development technologies

Possible

titles to

look for…

Sams Teach Yourself

PHP, MySQL and

Apache All in One

A great introduction to

using PHP with MySQL

and Apache

Sams Teach Yourself

Django in 24 Hours

A detailed tutorial on

creating websites with the

Django framework

Phil Ballard

Michael Moncur

JavaScript

and PHP

All

in One

800 East 96th Street, Indianapolis, Indiana, 46240 USA

Sams Teach Yourself

Ajax ,

Sams Teach Yourself Ajax, JavaScript, and PHP All in One

transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without

written permission from the publisher. No patent liability is assumed with respect to the use of

the information contained herein. Although every precaution has been taken in the preparation of

this book, the publisher and author assume no responsibility for errors or omissions. Nor is any

liability assumed for damages resulting from the use of the information contained herein.

ISBN-13: 978-0-672-32965-4

ISBN-10: 0-672-32965-4

Library of Congress Cataloging-in-Publication Data

Ballard, Phil.

Sams teach yourself Ajax, JavaScript, and PHP all in one / Phil

Ballard, Michael Moncur.

p. cm.

Includes index.

ISBN 978-0-672-32965-4 (pbk. : CD-ROM)

1. Ajax (Web site development technology) 2. JavaScript (Computer program language)

3. PHP (Computer program language) 4. Web site development. I. Moncur, Michael G.

II. Title. III. Title: Teach yourself Ajax, JavaScript, and PHP all in one.

TK5105.8885.A52B38 2008

006.7'6--dc22

Editor-in-Chief

Mark Taub

Acquisitions Editor

Mark Taber

Managing Editor

Patrick Kanouse

Project Editor

Mandie Frank

Indexer

Ken Johnson

Proofreader

Paula Lowell

Publishing

Coordinator

Vanessa Evans

Multimedia

Developer

Dan Scherf

Designer

Gary Adair

Composition

TnT Design, Inc.

2008022476

Printed in the United States of America

First Printing June 2008

Trademarks

All terms mentioned in this book that are known to be trademarks or service marks have been

appropriately capitalized. Sams Publishing cannot attest to the accuracy of this information. Use of a

term in this book should not be regarded as affecting the validity of any trademark or service mark.

Warning and Disclaimer

Every effort has been made to make this book as complete and as accurate as possible, but no

warranty or fitness is implied. The information provided is on an “as is” basis. The authors and

the publisher shall have neither liability nor responsibility to any person or entity with respect to

any loss or damages arising from the information contained in this book or from the use of the

CD or programs accompanying it.

Bulk Sales

Sams Publishing offers excellent discounts on this book when ordered in quantity for bulk pur-

chases or special sales. For more information, please contact

U.S. Corporate and Government Sales

1-800-382-3419

corpsales@pearsontechgroup.com

For sales outside of the U.S., please contact

International Sales

international@pearson.com

Contents at a Glance

Introduction ............................................................................ 1

Part I: Web Basics Refresher

CHAPTER 1 Workings of the Web ................................................................ 9

2 Writing and Styling Pages in HTML and CSS .............................. 21

3 Anatomy of an Ajax Application .............................................. 41

Part II: Introducing Web Scripting with JavaScript

CHAPTER 4 Creating Simple Scripts in JavaScript ......................................... 53

5 Working with the Document Object Model (DOM) ....................... 71

6 Using Variables, Strings, and Arrays .......................................... 81

7 Using Functions and Objects .................................................. 103

8 Controlling Flow with Conditions and Loops ............................. 117

9 Using Built-In Functions and Libraries ..................................... 135

Part III: Introducing Ajax

147

CHAPTER 10 The Heart of Ajax—the XMLHTTPRequest Object ......................... 149

11 Talking with the Server .......................................................... 157

12 Using the Returned Data ........................................................ 167

13 Our First Ajax Application ..................................................... 175

Part IV: Server-side Scripting with PHP

185

CHAPTER 14 Getting to Know PHP ............................................................. 187

15 Variables ............................................................................. 195

16 Flow Control ........................................................................ 215

17 Functions ............................................................................ 223

18 Using Classes ....................................................................... 231

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