book

Programming with JavaScript: Algorithms and Applications for Desktop and Mobile Browsers

by John David Dionisio, Ray Toal

December 2011

Intermediate to advanced

670 pages

14h 58m

English

Jones & Bartlett Learning

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Cover
Title Page
Copyright
Contents
Preface
1 The Field of Computing
1.1 Computing Is a Natural Science1.2 The Five Disciplines of Computing1.2.1 Computer Science1.2.2 Software Engineering1.2.3 Computer Engineering1.2.4 Information Technology1.2.5 Information Systems1.3 Careers in Computing1.4 Myths about ComputingExercises
2 Programming
2.1 Learning to Program2.2 Getting Started2.2.1 The Browser Address Box2.2.2 Runner Pages2.2.3 Interactive Shells2.2.4 Files2.3 Elements of Programs2.3.1 Expression2.3.2 Variables2.3.3 Statements2.4 The Practice of Programming2.4.1 Comments2.4.2 Coding Conventions2.4.3 Code Quality Tools2.5 The JavaScript Programming LanguageExercises
3 Data
3.1 Data Types3.2 Truth Values3.3 Numbers3.3.1 Numeric Operations3.3.2 Size and Precision Limits3.3.3 NaN3.3.4 Hexadecimal Numerals3.4 Text3.4.1 Characters, Glyphs, and Character Sets3.4.2 String Operations3.5 Undefined and Null3.6 Objects3.6.1 Objects Basics3.6.2 Understanding Object References3.6.3 Object Prototypes3.6.4 Self-Referen tial Objects3.7 Arrays3.8 Type Conversion3.8.1 Weak Typing3.8.2 Explicit Conversion3.8.3 Loose Equality Operators3.9 The typeof Operator*Exercises
4 Statements
4.1 The Declaration Statement4.2 The Expression Statement4.3 Conditional Execution4.3.1 The if Statement4.3.2 The Conditional Expression4.3.3 The switch Statement4.3.4 Avoiding Conditional Code with Lookups4.3.5 Short-Circuit Execution4.4 Iteration4.4.1 The while and do-while Statements4.4.2 The for Statement4.4.3 The for-in Statement4.5 Disruption4.5.1 break and continue4.5.2 Exceptions4.6 Coding Forms to Avoid4.6.1 Blockless Compound Statements4.6.2 Implicit Semicolon4.6.3 Implicit Declarations4.6.4 Increment and Decrement Operators4.6.5 The with StatementExercises
5 Functions
5.1 Black Boxes 5.2 Defining and Calling Functions 5.3 Examples and More Examples 5.3.1 Simple One-Line Functions 5.3.2 Validating Arguments 5.3.3 Passing Object References as Arguments 5.3.4Preconditions 5.3.5 Separation of Concerns 5.3.6 The Fibonacci Sequence 5.4 Scope 5.5 Functions as Objects 5.5.1 Properties of Functions 5.5.2 Functions as Properties 5.5.3 Constructors 5.6 Context 5.7 Higher-Order Functions 5.8 Function Declarations Versus Function Expressions* Exercises

6 Events
6.1 User Interaction 6.1.1 A Programming Paradigm Shift 6.1.2 Events by Example: The Temperature Converter Web Page 6.2 Defining User Interface Elements 6.2.1 Web Pages Are Structured Documents 6.2.2 Elements That Produce User Interface Controls 6.3 Programmatically Accessing User Interface Elements 6.3.1 The document Object 6.3.2 Fun with DOM Properties 6.3.3 A Place to “Play” 6.3.4 Manipulating User Interface Controls 6.3.5 Walking the DOM* 6.4 Event Handlers 6.4.1 Anatomy of an Event Handler 6.4.2 Event Handlers Are Functions Are Objects 6.5 Event Objects 6.6 Event Implementation Details 6.6.1 Event Capturing and Bubbling 6.6.2 Default Actions 6.6.3 Assigning Event Handlers 6.6.4Ev ents Based on the Passage of Time 6.6.5 Multitouch, Gesture, and Physical Events 6.7 Case Study: Tic-Tac-Toe 6.7.1 Files and Connections 6.7.2 Initialization 6.7.3 Event Handling 6.7.4The Business Logic Exercises
7 Software Construction
7.1 Software Engineering Activities 7.2 Object-Oriented Design and Programming 7.2.1 Families of Objects 7.2.2 Inheritance 7.2.3 Information Hiding 7.2.4Prop erty Descriptors* 7.3 JavaScript Standard Objects 7.3.1 Built-in Objects 7.3.2 Web Browser Host Objects 7.4 Modules 7.4.1 Simple Modules 7.4.2 The Tic-Tac-Toe Game as a Module 7.5 The jQuery JavaScript Library 7.6 Performance 7.6.1 Run-Time Efficiency 7.6.2 Space Efficiency 7.6.3 Load-Time Efficiency 7.6.4User Interface Efficiency 7.7 Unit Testing 7.7.1 An Introductory Example 7.7.2 The QUnit Testing Framework 7.7.3 Testing in the Software Development Process Exercises
8 Distributed Computing
8.1 Distributed Computing Models 8.2 Data Interchange Formats 8.2.1 Plain Text 8.2.2 XML 8.2.3 JSON 8.2.4Y AML 8.3 Synchronous vs8.4 Ajax 8.4.1 Ajax in jQuery 8.4.2 Ajax Without a Library 8.5 Designing Distributed Applications 8.5.1 Uniform Resource Identifiers 8.5.2 REST 8.5.3 Separation of Distributed Application Concerns 8.5.4 Serv er-Side Technologies* 8.6 Security 8.6.1 The Web, the Bad, and the Sandbox 8.6.2 The Same Origin Policy 8.6.3 Cross-Site Scripting 8.6.4 Mash ups 8.7 Case Study: Events and Trending Topics 8.7.1 Date Selection User Interface 8.7.2 Ajax Connection 8.7.3 Result Processing 8.7.4Data (Mashup) Display Exercises
9 Graphics and Animation
9.1 Fundamentals 9.1.1 Coordinate Spaces 9.1.2 Colors 9.1.3 Pixels vs9.1.4 Animation 9.2 HTML and CSS 9.2.1 HTML Elements for Graphics 9.2.2 CSS 9.2.3 Visual Properties 9.2.4 Absolute Position 9.2.5 Case Study: Bar Chart 9.2.6 Case Study: Towers of Hanoi Display 9.3 Animation in HTML and CSS 9.3.1 Constant Velocity 9.3.2 Fading In and Out 9.3.3 Animating Other Properties 9.3.4 Ramp ed (or Eased) Animation 9.3.5 Declarative CSS Animation 9.4 The canvas Element 9.4.1 Instantiating a canvas 9.4.2 The Rendering Context 9.4.3 Drawing Rectangles 9.4.4 Drawing Lines and Polygons 9.4.5 Drawing Arcs and Circles 9.4.6 Drawing B´ezier and Quadratic Curves 9.4.7 Working with Images 9.4.8 Transformations 9.4.9 Animation 9.4.10 canvas by Example 9.5 SVG 9.5.1 Seeing SVG in a Web Browser 9.5.2 SVG Case Study: A B´ezier Curve Editor 9.5.3 Objects in the Drawing 9.5.4Reading and Writing Attributes 9.5.5 Interactivity (aka Event Handling Redux) 9.5.6 Other SVG Features 9.6 3D Graphics with WebGL 9.6.1 WebGL Is the 3D canvas 9.6.2 Case Study: The Sierpinski Gasket 9.6.3 Defining the 3D Data 9.6.4Shader Code 9.6.5 Drawing the Scene 9.6.6 Interactivity and Events 9.7 Other Client-Side Graphics Technologies 9.7.1 Flash 9.7.2 Java 9.7.3 VML Exercises
10 Advanced Topics
10.1 Regular Expressions 10.1.1 Introducing Regular Expressions 10.1.2 Capture 10.1.3 Quantifiers 10.1.4 Bac kreferences 10.1.5 Regex Modifiers 10.1.6 The RegExp Constructor 10.1.7 More on Regular Expressions 10.2 Recursion 10.2.1 What Is Recursion? 10.2.2 Classic Examples of Recursion 10.2.3 Recursion and Family Trees 10.2.4When Not to Use Recursion 10.3 Caching 10.4 MapReduce 10.4.1 Using map, filter, and reduce 10.4.2 Implementation 10.4.3 MapReduce in Large-Scale Data Processing 10.5 Dynamically Creating Event Handlers Exercises
A JavaScript Language Reference
B Numeric Encoding
C Unicode
Glossary
Bibliography
Index
Credits

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