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  • Book Overview & Buying Knockout.JS Essentials
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Knockout.JS Essentials

Knockout.JS Essentials

By : Ferrando
4 (2)
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Knockout.JS Essentials

Knockout.JS Essentials

4 (2)
By: Ferrando
Buy this Book

Overview of this book

If you are a JavaScript developer who has been using DOM manipulation libraries such as Mootools or Scriptaculous, and you want go further in modern JavaScript development with a simple and well-documented library, then this book is for you. Learning how to use Knockout will be perfect as your next step towards building JavaScript applications that respond to user interaction.
Table of Contents (10 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
Lock Free Chapter
1
1. Refreshing the UI Automatically with KnockoutJS
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1. Refreshing the UI Automatically with KnockoutJS
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KnockoutJS and the MVVM pattern
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A real-world application – koCart
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Installing components
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The view-model
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Observables to refresh the UI automatically
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Summary
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2. KnockoutJS Templates
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2. KnockoutJS Templates
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Preparing the project
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Creating templates
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Handling templates with if and ifnot bindings
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Managing templates with jQuery
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Managing templates with koExternalTemplateEngine
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Summary
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3. Custom Bindings and Components
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3. Custom Bindings and Components
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Custom bindings
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Create a binding to debug – the toJSON binding
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Summary
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4. Managing KnockoutJS Events
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4. Managing KnockoutJS Events
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Event-driven programming
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The click event
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Event types
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Event binding
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Unobtrusive events with jQuery
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Delegation pattern
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Building custom events
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Events and bindings
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Summary
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5. Getting Data from the Server
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5. Getting Data from the Server
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REST services
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Defining CRUD
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Singleton resources
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Setting CRUD operations in the resource
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Using resources in the view-model
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Using Mockjax to mock HTTP requests
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Generating mock data with MockJSON
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Retrieving a product by ID
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Creating a new product
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Separation of concerns – behavior and data
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Creating the product service
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Creating the CartProduct service
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Updating a product
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Deleting a product
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Sending the order to the server
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Handling AJAX errors
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Validating data
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Extending the product model
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Extending the customer model
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Summary
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6. The Module Pattern – RequireJS
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6. The Module Pattern – RequireJS
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Installing the Knockout context debugger extension
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The console
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The module pattern
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Creating the Shop module
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The ViewModel module
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The Models module
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The Resources module
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The Services module
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Events, bindings, and Knockout components
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Updating the add-to-cart-button component
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Updating events
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Using RequireJS to manage dependencies
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Updating the template engine
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Configuring RequireJS
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Using RequireJS in our project
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Defining the app.js file
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Converting a normal module into an AMD module
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Applying RequireJS to components
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Applying RequireJS to mocks
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Applying RequireJS to bindings
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Applying RequireJS to events
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The limits of the application
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Summary
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7. Durandal – The KnockoutJS Framework
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7. Durandal – The KnockoutJS Framework
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Installing Durandal
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The shell view-model
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Durandal life cycle
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Building a page with Durandal
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Summary
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8. Developing Web Applications with Durandal – The Cart Project
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8. Developing Web Applications with Durandal – The Cart Project
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Introduction
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Setting up the project
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Routing the project – the shell view-model
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The navigation and shell templates
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Grouping code by feature – managing big projects
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Summary
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Index
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Index

Chapter 3. Custom Bindings and Components

With all the concepts you have learned in the last two chapters, you can build most of the applications you find in the real world. Of course, if you write code with just the knowledge of these two chapters, you should be very tidy because your code will become bigger and bigger and will be difficult to maintain.

Once a Google engineer was asked about how to build large applications. His answer was short and eloquent: Don't. Don't write large applications. Instead, write small applications, small pieces of isolated code that interact with each other, and build a large system with them.

How can we write small, reusable, and isolated pieces of code that extend the functionality of Knockout? The answer is by using custom bindings and components.

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