Chapter 1: Introduction

What You Should Already Know

WMLScript Versions

Conventions Used in this Manual

Chapter 2: WMLScript Overview

What is WMLScript?

Benefits of Using WMLScript

Device Types

Run-time Error Detection and Handling

Debugging WMLScript

Part 1: Language Features

Chapter 3: Essential Language Elements

Lexical Structure

Case Sensitivity

Whitespace and Line Breaks

Comments

Literals

Integer Literals

Floating-Point Literals

String Literals

Boolean Literals

Invalid Literals

Variables

Declaration

Scope and Lifetime

Access

Data Types

Integer

Floating-point

String

Boolean

Reserved Words

Chapter 4: Operators and Expressions

Operators

Assignment Operators

Arithmetic Operators

Logical Operators

String Operators

Comparison Operators

Array Operators

Comma Operators

Conditional Operators

typeof Operator

isvalid Operator

Expressions

Chapter 5: Pragmas

External Files

Access Control

Meta-Information

Name

HTTP Equiv

User Agent

Chapter 6: Statements

Empty Statements

Expression Statements

Block Statements

If Statements

Variable Statements

While Statements

For Statements

Break Statements

Continue Statements

Return Statements

Chapter 7: Functions

Function Declarations

Function Calls

Local Script Functions

External Functions

Library Functions

Part 2: Application Development

Chapter 8: Calling WMLScript Functions from WML

How WML Interacts with WMLScript

Declaring a WMLScript External Function

Calling a Function and Passing Parameters or Setting Variables from WML

Processing Parameters or Variables Passed from WML

Receiving Variables from a WMLScript

Chapter 9: WMLScript Examples

Numeric Range Validation Example

What it Does

How it Works

Currency Converter Example

What it Does

How it Works

Basic Animation Example

What it Does

How it Works

Chapter 10: Debugging WMLScripts

Common Techniques

Using Console.print and Console.printLn

A Debug Example

Glossary

Index