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ActionScript Colin Moock

ActionScript By Colin Moock

ActionScript by Colin Moock


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Summary

A guide for Web developers and Web authors who want to go beyond simple Flash animations to create Flash-drive sites. This combination of ActionScript fundamentals, applications, and quick reference should have users up and running in no time.

ActionScript Summary

ActionScript: The Definitive Guide by Colin Moock

Given its ability to deliver high-impact experiences even over low-bandwidth connections, Flash has become the de facto standard for hundreds of thousands of multimedia Web developers worldwide. Flash 5 includes a full-fledged programming language called ActionScript for controlling animation and multimedia. It's a quantum leap from the bare-bones Actions supported in Flash 4, and this text is dedicated entirely to documenting and demonstrating this new language. ActionScript includes all fundamental programming constructs (variables, loops, conditionals, functions, and so on), and is inextricably fused with Flash's authoring behaviours and animation timelines. Because ActionScript is based heavily on the ECMAScript Language Specification (ECMA-262) and is syntactically nearly identical to JavaScript, Macromedia expects thousands of existing JavaScript programmers to migrate to ActionScript. This book is divided into three sections. ActionScript Fundamentals introduces both programmers and non-programmers to the new language by first describing fundamental programming concepts and then delineating in detail the components, syntax, and usage of ActionScript. Applied ActionScript Code Depot shows you how to use common applications, such as processing online forms. Language Reference is a detailed reference that aims to make all ActionScript globals, properties, and objects, including extensive implementation samples, easy to find quickly. Code samples are also available from the Code Depot on the author's Web site devoted to Flash developers. Topics covered in this book include: step-by-step tutorials of the most common ActionScript behaviours; object-oriented programming in Flash; intelligent interface development; server communication; dynamic content generation; password protection; string handling; message boards; basic physics; and games. The book is structured so both programmers and non-programmers can learn how to use ActionScript. It aims to take the reader well beyond simple Flash animations so they can create their own enhanced Flash-driven sites.

About Colin Moock

Colin Moock has been researching, designing, and developing for the Web since 1995. Colin served as webmaster for SoftQuad Inc. (makers of HoTMetaL PRO) until 1997. He is now a web evangelist for ICE Integrated Communications & Entertainment, where he divides his time between writing about the web, speaking at conferences, and creating interactive content for companies like Sony, Levi's, Nortel, Air Canada, and Hewlett-Packard. Colin's award-winning Flash work and his renowned support site for Flash developers have made him a well-known personality in the Flash developer community. Macromedia has officially recognized his Flash expertise both on their web site and by appointing him a member of their Flash Advisory Board. Colin is a contributing author of The Flash 4 Bible (1999, IDG Books) and The Flash 5 Bible (2001, IDG Books). For more information on Colin Moock, visit his website.

Table of Contents

Foreword Preface I. ActionScript Fundamentals 1. A Gentle Introduction for Non-Programmers Some Basic Phrases Further ActionScript Concepts Building a Multiple-Choice Quiz 2. Variables Creating Variables (Declaration) Assigning Variables Changing and Retrieving Variable Values Types of Values Variable Scope Some Applied Examples 3. Data and Datatypes Data Versus Information Retaining Meaning with Datatypes Creating and Categorizing Data Datatype Conversion Primitive Data Versus Composite Data 4. Primitive Datatypes The Number Type Integers and Floating-Point Numbers Numeric Literals Working with Numbers The String Type Working with Strings The Boolean Type Undefined Null 5. Operators General Features of Operators The Assignment Operator Arithmetic Operators The Equality and Inequality Operators The Comparison Operators The String Operators The Logical Operators The Grouping Operator The Comma Operator The void Operator Other Operators 6. Statements Types of Statements Statement Syntax The ActionScript Statements Statements Versus Actions 7. Conditionals The if Statement The else Statement The else if Statement Simulating the switch Statement Compact Conditional Syntax 8. Loop Statements The while Loop Loop Terminology The do-while Loop The for Loop The for-in Loop Stopping a Loop Prematurely Timeline and Clip Event Loops 9. Functions Creating Functions Running Functions Passing Information to Functions Exiting and Returning Values from Functions Function Literals Function Availability and Life Span Function Scope Function Parameters Revisited Recursive Functions Internal Functions Functions as Objects Centralizing Code The Multiple-Choice Quiz Revisited 10. Events and Event Handlers Synchronous Code Execution Event-Based Asynchronous Code Execution Types of Events Event Handlers Event Handler Syntax Creating Event Handlers Event Handler Scope Button Events Movie Clip Events Overview Movie-Playback Movie Clip Events The User-Input Movie Clip Events Order of Execution Copying Clip Event Handlers Refreshing the Screen with updateAfterEvent Code Reusability Dynamic Movie Clip Event Handlers Event Handlers Applied 11. Arrays What Is an Array? The Anatomy of an Array Creating Arrays Referencing Array Elements Determining the Size of an Array Named Array Elements Adding Elements to an Array Removing Elements from an Array General Array-Manipulation Tools Multidimensional Arrays The Multiple-Choice Quiz, Take 3 12. Objects and Classes The Anatomy of an Object Instantiating Objects Object Properties Methods Classes and Object-Oriented Programming Built-in ActionScript Classes and Objects 13. Movie Clips The Objectness of Movie Clips Types of Movie Clips Creating Movie Clips Movie and Instance Stacking Order Referring to Instances and Main Movies Removing Clip Instances and Main Movies Built-in Movie Clip Properties Movie Clip Methods Applied Movie Clip Examples The Last Quiz 14. Lexical Structure Whitespace Statement Terminators (Semicolons) Comments Reserved Words Identifiers Case Sensitivity 15. Advanced Topics Copying, Comparing, and Passing Data Bitwise Programming Advanced Function Scope Issues The movieclip Datatype II. Applied ActionScript 16. ActionScript Authoring Environment The Actions Panel Adding Scripts to Frames Adding Scripts to Buttons Adding Scripts to Movie Clips Where's All the Code? Productivity Externalizing ActionScript Code Packaging Components as Smart Clips 17. Flash Forms The Flash Form Data Cycle Creating a Flash Fill-in Form 18. On-Screen Text Fields Dynamic Text Fields User-Input Text Fields Text Field Options Text Field Properties HTML Support Working with Text Field Selections Empty Text Fields and the for-in Statement 19. Debugging Debugging Tools Debugging Methodology III. Language Reference IV. Appendixes A. Resources B. Latin 1 Character Repertoire and Keycodes C. Backward Compatibility D. Differences from ECMA-262 and JavaScript Index

Additional information

GOR001398928
9781565928527
1565928520
ActionScript: The Definitive Guide by Colin Moock
Used - Very Good
Hardback
O'Reilly Media
20010605
696
N/A
Book picture is for illustrative purposes only, actual binding, cover or edition may vary.
This is a used book - there is no escaping the fact it has been read by someone else and it will show signs of wear and previous use. Overall we expect it to be in very good condition, but if you are not entirely satisfied please get in touch with us

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