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JavaScript Web Applications

Cover of JavaScript Web Applications by Alex MacCaw Published by O'Reilly Media, Inc.
  1. JavaScript Web Applications
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    2. Preface
      1. Who Is This Book For?
      2. How This Book Is Organized
      3. Conventions Used in This Book
      4. Accompanying Files
      5. Code Conventions
      6. Holla
      7. Author’s Note
      8. Safari® Books Online
      9. How to Contact Us
    3. 1. MVC and Classes
      1. Early Days
      2. Adding Structure
      3. What Is MVC?
      4. Toward Modularity, Creating Classes
      5. Adding Functions to Classes
      6. Adding Methods to Our Class Library
      7. Class Inheritance Using Prototype
      8. Adding Inheritance to Our Class Library
      9. Function Invocation
      10. Controlling Scope in Our Class Library
      11. Adding Private Functions
      12. Class Libraries
    4. 2. Events and Observing
      1. Listening to Events
      2. Event Ordering
      3. Canceling Events
      4. The Event Object
      5. Event Libraries
      6. Context Change
      7. Delegating Events
      8. Custom Events
      9. Custom Events and jQuery Plug-Ins
      10. Non-DOM Events
    5. 3. Models and Data
      1. MVC and Namespacing
      2. Building an ORM
      3. Adding ID Support
      4. Addressing References
      5. Loading in Data
      6. Populating Our ORM
      7. Storing Data Locally
      8. Adding Local Storage to Our ORM
      9. Submitting New Records to the Server
    6. 4. Controllers and State
      1. Module Pattern
      2. Adding a Bit of Context
      3. State Machines
      4. Routing
    7. 5. Views and Templating
      1. Dynamically Rendering Views
      2. Templates
      3. Binding
    8. 6. Dependency Management
      1. CommonJS
      2. Module Loaders
      3. Wrapping Up Modules
      4. Module Alternatives
      5. FUBCs
    9. 7. Working with Files
      1. Browser Support
      2. Getting Information About Files
      3. File Inputs
      4. Drag and Drop
      5. Copy and Paste
      6. Reading Files
      7. Custom Browse Buttons
      8. Uploading Files
      9. jQuery Drag and Drop Uploader
    10. 8. The Real-Time Web
      1. Real Time’s History
      2. WebSockets
      3. Real-Time Architecture
      4. Perceived Speed
    11. 9. Testing and Debugging
      1. Unit Testing
      2. Drivers
      3. Headless Testing
      4. Distributed Testing
      5. Providing Support
      6. Inspectors
      7. The Console
      8. Using the Debugger
      9. Analyzing Network Requests
      10. Profile and Timing
    12. 10. Deploying
      1. Performance
      2. Caching
      3. Minification
      4. Gzip Compression
      5. Using a CDN
      6. Auditors
      7. Resources
    13. 11. The Spine Library
      1. Setup
      2. Classes
      3. Events
      4. Models
      5. Controllers
      6. Building a Contacts Manager
    14. 12. The Backbone Library
      1. Models
      2. Collections
      3. Views
      4. Controllers
      5. Syncing with the Server
      6. Building a To-Do List
    15. 13. The JavascriptMVC Library
      1. Setup
      2. Classes
      3. Model
      4. Using Client-Side Templates in the View
      5. $.Controller: The jQuery Plug-in Factory
      6. Putting It All Together: An Abstract CRUD List
    16. A. jQuery Primer
      1. DOM Traversal
      2. DOM Manipulation
      3. Events
      4. Ajax
      5. Being a Good Citizen
      6. Extensions
      7. Creating a Growl jQuery Plug-in
    17. B. CSS Extensions
      1. Variables
      2. Mixins
      3. Nested Rules
      4. Including Other Stylesheets
      5. Colors
      6. How Do I Use Less?
    18. C. CSS3 Reference
      1. Prefixes
      2. Colors
      3. Rounded Corners
      4. Drop Shadows
      5. Text Shadow
      6. Gradients
      7. Multiple Backgrounds
      8. Selectors
      9. Transitions
      10. Border Images
      11. Box Sizing
      12. Transformations
      13. Flexible Box Model
      14. Fonts
      15. Graceful Degradation
      16. Creating a Layout
    19. Index
    20. About the Author
    21. Colophon
    22. SPECIAL OFFER: Upgrade this ebook with O’Reilly
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Templates

If you’re used to interpolating server variables in HTML, templating will be familiar. There are a variety of templating libraries out there—your choice will probably depend on which DOM library you’re using. However, most of them share a similar syntax, which I’ll describe below.

The gist of JavaScript templates is that you can take an HTML fragment interpolated with template variables and combine it with a JavaScript object, replacing those template variables with values from the object. Overall, JavaScript templating works in much the same way as templating libraries in other languages, such as PHP’s Smarty, Ruby’s ERB, and Python’s string formatting.

We’re going to use the jQuery.tmpl library as the basis for the templating examples. If you aren’t using jQuery, or if you want to use a different templating library, the examples should still be useful; the templating syntax for most libraries is very similar, if not identical. If you want a good alternative, check out Mustache, which has implementations in a lot of languages, including JavaScript.

Created by Microsoft, jQuery.tmpl is a templating plug-in based on John Resig’s original work. It’s a well-maintained library and is fully documented on the jQuery site. The library has one main function, jQuery.tmpl(), to which you can pass a template and some data. It renders a template element that you can append to the document. If the data is an array, the template is rendered once for every data item in the array; otherwise, ...

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