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  • Book Overview & Buying Getting Started with Knockout.js for .NET Developers
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Getting Started with Knockout.js for .NET Developers

Getting Started with Knockout.js for .NET Developers

By : Andrey Ankshin
4.2 (9)
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Getting Started with Knockout.js for .NET Developers

Getting Started with Knockout.js for .NET Developers

4.2 (9)
By: Andrey Ankshin
Buy this Book

Overview of this book

This book is intended for .NET developers who want to use the MVVM design pattern to create powerful client-side JavaScript linked to server-side C# logic. Basic experience with ASP.NET, Razor, and creating web applications is needed.
Table of Contents (9 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
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1
1. Introduction to Knockout.js
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1. Introduction to Knockout.js
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Knockout.js overview
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Installing Knockout.js
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Knockout.js fundamentals
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Summary
2
2. Creating a Simple Knockout.js Application
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2. Creating a Simple Knockout.js Application
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Creating the Model, View, and ViewModel
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Text and appearance bindings
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Form fields bindings
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Control flow bindings
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Computed observables
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Observable arrays
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Summary
3
3. Integrating Knockout.js in ASP.NET MVC Applications
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3. Integrating Knockout.js in ASP.NET MVC Applications
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Creating an application without Knockout.js
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Creating an application with Knockout.js
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Summary
4
4. Creating a Web Application with Knockout MVC
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4. Creating a Web Application with Knockout MVC
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Getting started with Knockout MVC
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Working with the Hello World example in Knockout MVC
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Developing a Knockout MVC application
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Summary
5
5. Advanced Features of Knockout.js
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5. Advanced Features of Knockout.js
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Loading and saving JSON data
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Introducing Knockout mapping
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Binding context
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Custom bindings
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Extending observables
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Custom functions
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Different templating approaches
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Summary
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6. Advanced Features of Knockout MVC
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6. Advanced Features of Knockout MVC
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Regions
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Complex bindings
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Sending parameters to the server
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Inner computed properties
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Multiple view models
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Lazy loading
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Writing user scripts
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Summary
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A. A Brief on Knockout MVC References and Features
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A. A Brief on Knockout MVC References and Features
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Working with KnockoutContext
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Basic data binding
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Form objects
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Nested contexts
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Sending requests to the server
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Adding user-defined scripts
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Forming a model and using computed properties
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Special addressing forms
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Summary
8
Index
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Index

Custom functions

Knockout.js allows you to write your own custom functions to extend the capabilities of a standard Knockout.js object. The following objects from the Knockout.js hierarchy can be extended:

  • ko.subscribable (root object)

  • ko.computed (inherited from ko.subscribable)

  • ko.observable (inherited from ko.subscribable)

  • ko.observableArray (inherited from ko.observable)

If you write a custom function for an object, the inheritors of the object will also have the written function. For example, you can use a custom function of ko.observable with ko.observableArray.

An example with array filtering

Let's learn how to write a custom function with the following example. We will write the filterByProperty function for ko.observableArray. This function will filter the original array and keep only those items for which the specified property is equal to the specified value. The function body is as follows:

ko.observableArray.fn.filterByProperty = function(propName, matchValue) {
  return ko.computed...
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