JavaScript - Comprehensive, Second Edition

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ISBN: 9780619063344 | 0619063343
Cover: Paperback
Copyright: 12/10/2001

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Creat dynamic Web pages using the popular Web scripting language, JavaScript! Building on the successful philosophy of the first edition, this introductpry text is perfect for beginning programmers with prior knowledge of HTML.

Preface

iii

Read This Before You Begin

xviii

Introduction to Javascript

(44)

Section A: Programming, HTML, and Javascript

(19)

The World Wide Web

(1)

JavaScript's Role on the Web

(3)

Hypertext Markup Language

(4)

Creating an HTML Document

(2)

The JavaScript Programming Language

(2)

Logic and Debugging

(1)

Summary

(1)

Questions

(2)

Exercises

(3)

Section B: A First JavaScript Program

(24)

The <SCRIPT> Tag

(6)

Creating a JavaScript Source File

(4)

Adding Comments to a JavaScript Program

(2)

Hiding JavaScript from Incompatible Browsers

(3)

Placing JavaScript in HEAD or BODY sections

(1)

Summary

(1)

Questions

(3)

Exercises

(4)

Variables, Functions, Objects, and Events

(62)

Previewing the NorthAmericaImageMap.html File

(2)

Section A: Working with Variables, Functions, and Objects

(33)

Variables

(3)

Defining Custom Functions

(1)

Calling Functions

(6)

Built-In JavaScript Functions

(1)

Understanding JavaScript Objects

(1)

Custom JavaScript Objects

(2)

Built-In JavaScript Objects

(1)

Custom Object Inheritance and Prototypes

(5)

Custom Object Methods

(2)

Variable Scope

(2)

Summary

(2)

Questions

(3)

Exercises

(5)

Section B: Using Events

(26)

Understanding Events

(1)

HTML Tags and Events

(2)

Event Handlers

(4)

Links

(2)

Link Events

(5)

Creating an Image Map

(7)

Summary

102

(1)

Questions

103

(2)

Exercises

105

(2)

Data Types and Operators

107

(64)

Previewing the Calculator Program

108

(1)

Section A: Using Data Types

109

(27)

Data Types

109

(4)

Numeric Data Types

113

(2)

Boolean Values

115

(1)

Strings

116

(8)

Arrays

124

(6)

Summary

130

(1)

Questions

131

(2)

Exercises

133

(3)

Section B: Expressions and Operators

136

(35)

Expressions

136

(1)

Arithmetic Operators

137

(5)

Assignment Operators

142

(4)

Comparison Operators

146

(5)

Logical Operators

151

(3)

Working with Strings

154

(1)

The String Object

155

(5)

Operator Precedence

160

(1)

Creating the Calculator Program

161

(3)

Summary

164

(1)

Questions

165

(3)

Exercises

168

(3)

Decision Making with Control Structures and Statements

171

(58)

Previewing the CartoonQuiz.html File

172

(1)

Section A: Decision Making

173

(25)

if Statements

173

(8)

if...else Statements

181

(2)

Nested if and if...else Statements

183

(5)

switch Statements

188

(5)

Summary

193

(1)

Questions

194

(1)

Exercises

195

(3)

Section B: Repetition

198

(31)

while Statements

198

(6)

do...while Statements

204

(3)

for Statements

207

(7)

for...in Statements

214

(3)

with Statements

217

(2)

continue Statements

219

(2)

Summary

221

(1)

Questions

222

(3)

Exercises

225

(4)

Windows and Frames

229

(60)

Previewing the VirtualZoo Program

230

(1)

Section A: Working with Windows

231

(21)

The JavaScript Object Model

231

(3)

The Window Object

234

(2)

Opening and Closing Windows

236

(8)

Working with Timeouts and Intervals

244

(3)

Summary

247

(1)

Questions

248

(2)

Exercises

250

(2)

Section B: Working with Frames and Other Objects

252

(37)

Creating Frames

252

(5)

Using the TARGET Attribute

257

(4)

Nesting Frames

261

(4)

Frame Formatting

265

(3)

The NOFRAMES Tag

268

(1)

The Location Object

269

(1)

The History Object

270

(4)

The Navigator Object

274

(4)

Referring to Frames and Windows

278

(3)

Summary

281

(1)

Questions

282

(2)

Exercises

284

(5)

Forms

289

(74)

Previewing the Product Registration Form

290

(3)

Section A: Working with Forms in JavaScript

293

(41)

Overview of Forms

293

(1)

The Common Gateway Interface

294

(2)

The <FORM> Tag

296

(7)

Form Elements: An Overview

303

(1)

Input Fields

304

(1)

Text Boxes

305

(2)

Password Boxes

307

(1)

Radio Buttons

308

(2)

Check Boxes

310

(3)

Reset Buttons

313

(3)

Command Buttons

316

(3)

Submit Buttons

319

(2)

Image Submit Buttons

321

(2)

Selection Lists

323

(2)

Multiline Text Fields

325

(2)

Summary

327

(1)

Questions

328

(3)

Exercises

331

(3)

Section B: Validating a User's Input to a Form

334

(29)

Hidden Form Fields

334

(5)

The Form Object

339

(1)

Referencing Forms and Form Elements

339

(4)

Form Event Handlers

343

(5)

Form Methods

348

(3)

Form Properties

351

(2)

E-Mailing Form Data

353

(3)

Summary

356

(1)

Questions

357

(2)

Exercises

359

(4)

Debugging Javascript

363

(60)

Section A: Basic Debugging Techniques

364

(27)

Understanding Debugging

364

(2)

Error Messages

366

(3)

Tracing Errors with the alert() Method

369

(4)

Tracing Errors with the write() and writeln() Methods

373

(3)

Using Comments to Locate Bugs

376

(3)

Additional Debugging Techniques

379

(1)

Checking HTML Tags

380

(1)

Analyzing Your Logic

381

(1)

Testing Statements with JavaScript URLs

382

(1)

Reloading an HTML Document

383

(1)

Summary

383

(1)

Questions

384

(2)

Exercises

386

(5)

Section B: Advanced Debugging Techniques and Resources

391

(32)

Using a for...in Statement to Check Object Properties

391

(1)

Watch Points in Netscape

392

(3)

Netscape JavaScript Debugger

395

(3)

Source View

398

(2)

Step Commands

400

(1)

Breakpoints

401

(3)

Tracing Variables and Expressions

404

(2)

The Call Stack Window

406

(2)

Microsoft Script Debugger

408

(1)

The Script Debugger Window

408

(2)

Step Commands

410

(1)

Breakpoints

411

(2)

Tracing Variables and Expressions

413

(1)

The Call Stack Window

414

(1)

JavaScript Language Bugs and Debugging Resources

415

(1)

Summary

416

(1)

Questions

417

(2)

Exercises

419

(4)

Dynamic HTML and Animation

423

(78)

Previewing the Animation Files

424

(3)

Section A: Dynamic HTML

427

(36)

Introduction

427

(4)

Document Object Model

431

(3)

Document Object Properties

434

(2)

Document Object Methods

436

(3)

The Image Object

439

(4)

Animation with the Image Object

443

(8)

Image Caching

451

(6)

Summary

457

(1)

Questions

457

(3)

Exercises

460

(3)

Section B: Animation and Cascading Style Sheets

463

(38)

Cascading Style Sheets

463

(6)

Using JavaScript with CSS Styles

469

(1)

Using JavaScript and Styles in Older Versions of Navigator

469

(3)

Using JavaScript and Styles in Older Versions of Internet Explorer

472

(1)

Using JavaScript and Styles with the W3C DOM

473

(2)

CSS Positioning

475

(4)

Dynamic Positioning in Older Versions of Internet Explorer

479

(6)

Dynamic Positioning in Navigator

485

(4)

Dynamic Positioning with W3C DOM-Compliant Browsers

489

(3)

Cross-Browser Compatibility

492

(3)

Summary

495

(2)

Questions

497

(3)

Exercises

500

(1)

Cookies and Security

501

(58)

Previewing the Product Registration and Home Page Programs

502

(2)

Section A: State Information and Cookies

504

(30)

State Information

504

(1)

Saving State Information with Query Strings

505

(4)

Parsing a String

509

(2)

Saving State Information with Cookies

511

(1)

Creating Cookies

512

(10)

Reading Cookies

522

(4)

Summary

526

(1)

Questions

527

(3)

Exercises

530

(4)

Section B: Security

534

(25)

JavaScript Security Concerns

534

(2)

The Same Origin Policy

536

(3)

Signed Scripts and Digital Certificates

539

(3)

Creating a Test Certificate

542

(3)

Working with Privileges

545

(5)

Signing a JavaScript Program

550

(4)

Enabling Codebase Principals

554

(1)

Summary

554

(2)

Questions

556

(2)

Exercises

558

(1)

Server - Side Javascript

559

(72)

Previewing the WebAdventure Home Page

560

(3)

Section A: Netscape SSJS

563

(34)

Client/Server Architecture

563

(3)

Server-Side JavaScript Development

566

(1)

Creating SSJS Applications

567

(1)

Server-Side Scripts

568

(3)

Compiling and Deploying an Application

571

(2)

Installing and Starting an Application

573

(4)

SSJS Core Objects

577

(1)

Request Object

578

(4)

Client Object

582

(2)

Project Object

584

(3)

Server Object

587

(1)

Creating a Guest Book

587

(6)

Summary

593

(1)

Questions

594

(1)

Exercises

595

(2)

Section B: Microsoft Active Server Pages

597

(34)

Introduction to Active Server Pages

597

(1)

Creating ASP Applications

598

(1)

Server-Side Scripts

598

(3)

ASP Directives

601

(2)

Mixing HTML and Server-Side JavaScript

603

(4)

Object Collections

607

(2)

ASP Core Objects

609

(1)

Request Object

609

(4)

Response Object

613

(1)

Session Object

613

(2)

Application Object

615

(3)

Server Object

618

(1)

Creating a Guest Book

619

(5)

Summary

624

(2)

Questions

626

(2)

Exercises

628

(3)

Database Connectivity

631

(86)

Previewing the Registration Program

632

(1)

Section A: Overview of Databases and Connecting to Databases with SSJS

633

(47)

Understanding Databases

633

(5)

Database Management Systems

638

(6)

Structured Query Language

644

(4)

The LiveWire Database Service

648

(4)

Executing SQL Commands

652

(1)

The execute() Method

652

(7)

The Cursor Object

659

(7)

The SQLTable() Method

666

(2)

Transaction Processing with LiveWire

668

(2)

Error Handling with LiveWire

670

(2)

Summary

672

(2)

Questions

674

(3)

Exercises

677

(3)

Section B: Connecting to Databases with Active Server Pages

680

(37)

Introduction

680

(5)

ADO Object Model

685

(4)

The ADO Connection Object

689

(4)

Executing SQL Commands

693

(1)

The Execute() Method

693

(6)

The Recordset Object

699

(10)

Transaction Processing with ADO

709

(1)

Error Handling with the ADO Error Object

710

(1)

Summary

711

(1)

Questions

712

(2)

Exercises

714

(3)

Working With Lava Applets Aid Embedded Data

717

(1)

Previewing the Guessing Game and Embedded Data Programs

718

(3)

Section A: A Java Tutorial

721

(28)

Applets and Embedded Data

721

(1)

Introduction to Java

722

(2)

Classes

724

(1)

Methods

725

(2)

Compiling a Java Program

727

(2)

Creating an Applet

729

(2)

Java Variables and Data Types

731

(4)

Adding an Applet to an HTML document

735

(3)

Controlling Java Applets with JavaScript

738

(5)

Summary

743

(1)

Questions

744

(3)

Exercises

747

(2)

Section B: LiveConnect, Plug-Ins, and ActiveX

749

(1)

Overview

749

(1)

Java Packages and LiveConnect

750

(2)

Data Conversion between Java and JavaScript

752

(1)

Controlling JavaScript with Java

753

(1)

Importing the JSObject and JSException Classes

754

(1)

Using the JSObject Class Methods

755

(4)

The MAYSCRIPT Attribute

759

(1)

Directly Accessing Java Classes from JavaScript

760

(2)

Embedded Data

762

(1)

Plug-ins

763

(7)

ActiveX Controls

770

(2)

Summary

772

(2)

Questions

774

(3)

Exercises

777

appendix A JAVASCRIPT REFERENCE

(1)

Comment Types

(1)

Line Comments

(1)

Block Comments

(1)

Javascript Reserved Words

(1)

Identifiers

(1)

Legal Identifiers

(1)

Illegal Identifiers

(1)

Built-In JavaScript Functions

(1)

Built-In JavaScript Objects

(1)

Events

(1)

JavaScript Events

(1)

HTML Elements and Associated JavaScript Events

(2)

Primitive Data Types

(1)

JavaScript Escape Sequences

(1)

Data Type Conversion Functions and Methods

(1)

Operators

(1)

JavaScript Operator Types

(1)

Arithmetic Binary Operators

(1)

Arithmetic Unary Operators

(1)

Assignment Operators

(1)

Comparison Operators

(1)

Logical Operators

(1)

Operator Precedence

(1)

Control Structures and Statements

(1)

Objects

(1)

Array Object

(1)

Date Object

(1)

Document Object

(2)

Form Object

(1)

History Object

(1)

Image Object

(1)

Location Object

(1)

Math Object

(1)

Navigator Object

(1)

Number Object

(1)

String Object

(2)

Window Object

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JavaScript - Comprehensive, Second Edition

Summary

Table of Contents

Supplemental Materials