Maintainable JavaScript. Writing Readable Code (ebook)(audiobook)(audiobook)

Spis treści

• Maintainable JavaScript
• SPECIAL OFFER: Upgrade this ebook with OReilly
• Introduction
• Preface
  • Conventions Used in This Book
  • Using Code Examples
  • Safari Books Online
  • How to Contact Us
• I. Style Guidelines
  • 1. Basic Formatting
    • Indentation Levels
    • Statement Termination
    • Line Length
    • Line Breaking
    • Blank Lines
    • Naming
      • Variables and Functions
      • Constants
      • Constructors
    • Literal Values
      • Strings
      • Numbers
      • Null
      • Undefined
      • Object Literals
      • Array Literals
  • 2. Comments
    • Single-Line Comments
    • Multiline Comments
    • Using Comments
      • Difficult-to-Understand Code
      • Potential Author Errors
      • Browser-Specific Hacks
    • Documentation Comments
  • 3. Statements and Expressions
    • Brace Alignment
    • Block Statement Spacing
    • The switch Statement
      • Indentation
      • Falling Through
      • default
    • The with Statement
    • The for Loop
    • The for-in Loop
  • 4. Variables, Functions, and Operators
    • Variable Declarations
    • Function Declarations
    • Function Call Spacing
    • Immediate Function Invocation
      • Strict Mode
    • Equality
    • eval()
    • Primitive Wrapper Types
• II. Programming Practices
  • 5. Loose Coupling of UI Layers
    • What Is Loose Coupling?
    • Keep JavaScript Out of CSS
    • Keep CSS Out of JavaScript
    • Keep JavaScript Out of HTML
    • Keep HTML Out of JavaScript
      • Alternative #1: Load from the Server
      • Alternative #2: Simple Client-Side Templates
      • Alternative #3: Complex Client-Side Templates
  • 6. Avoid Globals
    • The Problems with Globals
      • Naming Collisions
      • Code Fragility
      • Difficulty Testing
    • Accidental Globals
      • Avoiding Accidental Globals
    • The One-Global Approach
      • Namespaces
      • Modules
        • YUI modules
        • Asynchronous Module Definition (AMD) Modules
    • The Zero-Global Approach
  • 7. Event Handling
    • Classic Usage
    • Rule #1: Separate Application Logic
    • Rule #2: Dont Pass the Event Object Around
  • 8. Avoid Null Comparisons
    • Detecting Primitive Values
    • Detecting Reference Values
      • Detecting Functions
      • Detecting Arrays
    • Detecting Properties
  • 9. Separate Configuration Data from Code
    • What Is Configuration Data?
    • Externalizing Configuration Data
    • Storing Configuration Data
  • 10. Throw Your Own Errors
    • The Nature of Errors
    • Throwing Errors in JavaScript
    • Advantages of Throwing Errors
    • When to Throw Errors
    • The try-catch Statement
      • Throw or try-catch?
    • Error Types
  • 11. Dont Modify Objects You Dont Own
    • What Do You Own?
    • The Rules
      • Dont Override Methods
      • Dont Add New Methods
      • Dont Remove Methods
    • Better Approaches
      • Object-Based Inheritance
      • Type-Based Inheritance
      • The Facade Pattern
    • A Note on Polyfills
    • Preventing Modification
  • 12. Browser Detection
    • User-Agent Detection
    • Feature Detection
    • Avoid Feature Inference
    • Avoid Browser Inference
    • What Should You Use?
• III. Automation
  • 13. File and Directory Structure
    • Best Practices
    • Basic Layout
  • 14. Ant
    • Installation
    • The Build File
    • Running the Build
    • Target Dependencies
    • Properties
    • Buildr
  • 15. Validation
    • Finding Files
    • The Task
    • Improving the Target
    • Other Improvements
    • Buildr Task
  • 16. Concatenation and Baking
    • The Task
    • Line Endings
    • Headers and Footers
    • Baking Files
  • 17. Minification and Compression
    • Minification
      • Minifying with YUI Compressor
      • Minifying with Closure Compiler
      • Minifying with UglifyJS
    • Compression
      • Runtime Compression
      • Build-Time Compression
  • 18. Documentation
    • JSDoc Toolkit
    • YUI Doc
  • 19. Automated Testing
    • YUI Test Selenium Driver
      • Setting Up a Selenium Server
      • Setting Up YUI Test Selenium Driver
      • Using the YUI Test Selenium Driver
      • The Ant Target
    • Yeti
    • PhantomJS
      • Installation and Usage
      • The Ant Target
    • JsTestDriver
      • Installation and Usage
      • The Ant Target
  • 20. Putting It Together
    • Missing Pieces
    • Planning the Build
      • The Development Build
      • The Integration Build
      • The Release Build
    • Using a CI System
      • Jenkins
      • Other CI Systems
• A. JavaScript Style Guide
  • Indentation
  • Line Length
  • Primitive Literals
  • Operator Spacing
  • Parentheses Spacing
  • Object Literals
  • Comments
    • Single-Line Comments
    • Multiline Comments
    • Comment Annotations
  • Variable Declarations
  • Function Declarations
  • Naming
  • Strict Mode
  • Assignments
  • Equality Operators
  • Ternary Operator
  • Statements
    • Simple Statements
    • return Statement
    • Compound Statements
    • if Statement
    • for Statement
    • while Statement
    • do Statement
    • switch Statement
    • try Statement
  • White Space
  • Things to Avoid
• B. JavaScript Tools
  • Build Tools
  • Documentation Generators
  • Linting Tools
  • Minification Tools
  • Testing Tools
• Index
• About the Author
• Colophon
• SPECIAL OFFER: Upgrade this ebook with OReilly
• Copyright

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