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

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by Phil Ballard, Michael Moncur
     
 

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ISBN-10: 0672329654

ISBN-13: 9780672329654

Pub. Date: 07/22/2008

Publisher: Sams

In just a short time, you can learn how to use Ajax, JavaScript, and PHP to create interactive interfaces to your web applications by combining these powerful technologies.

No previous Ajax programming experience is required. Using a straightforward, step-by-step approach, each lesson in this book builds on the previous ones, enabling you to learn the

Overview

In just a short time, you can learn how to use Ajax, JavaScript, and PHP to create interactive interfaces to your web applications by combining these powerful technologies.

No previous Ajax programming experience is required. Using a straightforward, step-by-step approach, each lesson in this book builds on the previous ones, enabling you to learn the essentials of Ajax programming with JavaScript, PHP, and related technologies from the ground up.

Regardless of whether you run Linux, Windows, or Mac OS X, the enclosed CD includes a complete Ajax programming starter kit that gives you all the programming tools, reference information, JavaScript libraries, and server software you need to set up a stable environment for learning, testing, and production.

Learn how to…

  • Build better, more interactive interfaces for your web applications
  • Make JavaScript, HTML, XML, and PHP work together to create Ajax effects
  • Compile an Ajax application
  • Create and consume web services with SOAP and REST
  • Avoid common errors and troubleshoot programs
  • Use popular Ajax libraries to speed up and improve common programming tasks

On the CD

  • XAMPP for Windows, Mac OS X, and Linux—an easy-to-install package to set up a PHP- and MySQL-enabled Apache server on your computer
  • The jEdit programming editor for Windows, Mac, and Linux
  • Prototype, Scriptaculous, Rico, and XOAD—popular JavaScript libraries for creating Ajax applications and effects
  • A complete Ajax, HTML, XML, and PHP tutorial reference library in searchable PDF format
  • Source code for the examples in the book

Phil Ballard is a software engineering consultant and developer specializing in website and intranet design and development for an international portfolio of clients. He has an honors degree from the University of Leeds, England, and has worked for several years in commercial and managerial roles in the high technology sector.

Michael Moncur is a freelance webmaster and author. He runs a network of websites and has written several bestselling books about web development, networking, certification programs, and databases.

Category: Web Development

Covers: Ajax, JavaScript and PHP

User Level: Beginning–Intermediate

Product Details

ISBN-13:
9780672329654
Publisher:
Sams
Publication date:
07/22/2008
Series:
Sams Teach Yourself Series
Edition description:
Original
Pages:
370
Product dimensions:
6.90(w) x 9.00(h) x 1.00(d)

Table of Contents

Introduction

Part I: Web Basics Refresher 7

Chapter 1: Workings of the Web 9

A Short History of the Internet........................................................... 9

The World Wide Web..................................................................... 10

Introducing HTTP............................................................................ 14

The HTTP Request and Response................................................... 15

HTML Forms.................................................................................. 17

Summary......................................................................................... 20

chapter 2: Writing and Styling Pages in HTML and CSS 21

Introducing HTML.......................................................................... 21

Elements of an HTML Page............................................................. 23

A More Advanced HTML Page...................................................... 27

Some Useful HTML Tags................................................................ 29

Adding Your Own Style.................................................................. 30

Defining the Rules............................................................................ 31

Add a Little class............................................................................. 31

Applying Styles................................................................................ 33

Formatting Text with Styles.............................................................. 35

Adding Lines................................................................................... 39

Summary......................................................................................... 40

Chapter 3: Anatomy of an Ajax Application 41

The Need for Ajax.......................................................................... 41

Introducing Ajax.............................................................................. 43

The Constituent Parts of Ajax.......................................................... 45

Putting It All Together...................................................................... 47

Summary......................................................................................... 49

Part II: Introducing Web Scripting with JavaScript 51

chapter 4: Creating Simple Scripts in JavaScript 53

Tools for Scripting........................................................................... 53

Displaying Time with JavaScript....................................................... 54

Beginning the Script......................................................................... 55

Adding JavaScript Statements.......................................................... 55

Creating Output............................................................................... 56

Adding the Script to a Web Page..................................................... 57

Testing the Script............................................................................. 58

JavaScript Syntax Rules................................................................... 65

Using Comments............................................................................. 66

Best Practices for JavaScript............................................................ 67

Summary......................................................................................... 69

chapter 5: Working with the Document Object Model (DOM) 71

Understanding Objects.................................................................... 71

Understanding the Document Object Model (DOM)........................ 72

Working with Web Documents........................................................ 74

Accessing Browser History.............................................................. 77

Working with the location Object..................................................... 78

Summary......................................................................................... 80

chapter 6: Using Variables, Strings, and Arrays 81

Using Variables............................................................................... 81

Understanding Expressions and Operators....................................... 85

Data Types in JavaScript................................................................. 86

Converting Between Data Types...................................................... 88

Using String Objects........................................................................ 89

Working with Substrings.................................................................. 92

Using Numeric Arrays..................................................................... 94

Using String Arrays.......................................................................... 96

Sorting a Numeric Array.................................................................. 98

Summary....................................................................................... 101

chapter 7: Using Functions and Objects 103

Using Functions............................................................................. 103

Introducing Objects....................................................................... 108

Using Objects to Simplify Scripting................................................ 109

Extending Built-in Objects.............................................................. 112

Summary....................................................................................... 115

chapter 8: Controlling Flow with Conditions and Loops 117

The if Statement............................................................................. 118

Using Shorthand Conditional Expressions....................................... 121

Testing Multiple Conditions with if and else..................................... 122

Using Multiple Conditions with switch............................................ 124

Using for Loops............................................................................. 125

Using while Loops......................................................................... 128

Using do…while Loops................................................................. 128

Working with Loops...................................................................... 129

Looping Through Object Properties............................................... 131

Summary....................................................................................... 134

chapter 9: Using Built-In Functions and Libraries 135

Using the Math Object................................................................... 135

Working with Math Functions........................................................ 137

Using the with Keyword................................................................ 139

Working with Dates....................................................................... 140

Using Third-Party Libraries............................................................ 143

Other Libraries.............................................................................. 144

Summary....................................................................................... 145

Part III: Introducing Ajax 147

chapter 10: The Heart of Ajax–the XMLHTTPRequest Object 149

Introducing XMLHTTPRequest..................................................... 149

Creating the XMLHTTPRequest Object........................................ 150

Summary....................................................................................... 156

chapter 11: Talking with the Server 157

Sending the Server Request........................................................... 157

Monitoring Server Status............................................................... 162

The Callback Function................................................................... 163

Summary....................................................................................... 166

chapter 12: Using the Returned Data 167

The responseText and responseXML Properties............................ 167

Parsing responseXML................................................................... 171

Providing User Feedback.............................................................. 172

Summary....................................................................................... 174

Chapter 13: Our First Ajax Application 175

Constructing the Ajax Application.................................................. 175

The HTML Document................................................................... 176

Adding JavaScript......................................................................... 177

Putting It All Together.................................................................... 180

Summary....................................................................................... 184

Part IV: Server-side Scripting with PHP 185

Chapter 14: Getting to Know PHP 187

PHP Basics................................................................................... 187

Your First PHP Script................................................................... 190

Summary....................................................................................... 194

chapter 15: Variables 195

Understanding Variables................................................................ 195

Data Types.................................................................................... 197

Working with Numbers.................................................................. 198

Numeric Data Types...................................................................... 200

Numeric Functions......................................................................... 200

Working with Strings..................................................................... 202

Formatting Strings.......................................................................... 203

String Functions............................................................................. 205

Working with Arrays..................................................................... 206

Array Functions............................................................................. 208

Date Formats................................................................................ 209

Working with Timestamps.............................................................. 210

Summary....................................................................................... 213

Chapter 16: Flow Control 215

Conditional Statements.................................................................. 215

Loops........................................................................................... 220

Summary....................................................................................... 222

Chapter 17: Functions 223

Using Functions............................................................................. 223

Arguments and Return Values........................................................ 225

Using Library Files......................................................................... 229

Summary....................................................................................... 229

Chapter 18: Using Classes 231

Object-Oriented PHP.................................................................... 231

What Is a Class?........................................................................... 232

Creating and Using Objects........................................................... 233

Summary....................................................................................... 236

Part V: More Complex Ajax Technologies 237

Chapter 19: Returning Data as Text 239

Getting More from the responseText Property................................ 239

Summary....................................................................................... 245

Chapter 20: AHAH–Asynchronous HTML and HTTP 247

Introducing AHAH........................................................................ 247

Creating a Small Library for AHAH............................................... 248

Using myAHAHlib.js..................................................................... 250

Summary....................................................................................... 255

Chapter 21: Returning Data as XML 257

Adding the “x” to Ajax................................................................... 257

The responseXML Property.......................................................... 258

Project–An RSS Headline Reader............................................... 262

Summary....................................................................................... 269

chapter 22: Web Services and the REST and SOAP Protocols 271

Introduction to Web Services......................................................... 271

REST–Representational State Transfer......................................... 272

Using REST in Practice.................................................................. 274

Web Services Using SOAP........................................................... 278

The SOAP Protocol...................................................................... 279

Using Ajax and SOAP................................................................... 282

Reviewing SOAP and REST.......................................................... 283

Summary....................................................................................... 284

chapter 23: A JavaScript Library for Ajax 285

An Ajax Library............................................................................ 285

Reviewing myAHAHlib.js.............................................................. 286

Implementing Our Library.............................................................. 287

Using the Library........................................................................... 290

Summary....................................................................................... 293

chapter 24: Ajax Gotchas 295

Common Ajax Errors.................................................................... 295

The Back Button........................................................................... 296

Bookmarking and Links................................................................. 297

Telling the User That Something Is Happening................................ 297

Making Ajax Degrade Elegantly..................................................... 297

Dealing with Search Engine Spiders................................................ 298

Pointing Out Active Page Elements................................................. 299

Don’t Use Ajax Where It’s Inappropriate...................................... 299

Security......................................................................................... 300

Test Code Across Multiple Platforms............................................. 300

Ajax Won’t Cure a Bad Design..................................................... 301

Some Programming Gotchas.......................................................... 301

Summary....................................................................................... 302

Part VI: Ajax Tools and Resources 303

Chapter 25: The prototype.js Toolkit 305

Introducing prototype.js................................................................. 305

Wrapping XMLHTTPRequest–the Ajax Object........................... 308

Example Project–Stock Price Reader.......................................... 311

Summary....................................................................................... 313

chapter 26: Using Rico 315

Introducing Rico............................................................................ 315

Rico’s Other Interface Tools.......................................................... 320

Summary....................................................................................... 324

Chapter 27: Using Script.aculo.us 325

Downloading the Library................................................................ 325

Including the Files.......................................................................... 326

Using Effects................................................................................. 326

Building the Script.......................................................................... 327

Summary....................................................................................... 329

Chapter 28: Using XOAD 331

Introducing XOAD........................................................................ 331

XOAD HTML.............................................................................. 334

Advanced Programming with XOAD............................................. 337

Summary....................................................................................... 338

Appendix: JavaScript, PHP, and Ajax Websites 339

Glossary 343

TOC, 0672329654, 6/6/2008

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