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  • Book Overview & Buying KnockoutJS by Example
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KnockoutJS by Example

KnockoutJS by Example

By : Adnan Jaswal
Buy this Book
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KnockoutJS by Example

KnockoutJS by Example

By: Adnan Jaswal
Buy this Book

Overview of this book

KnockoutJS By Example is a project-based guide that introduces the key features and concepts of knockout.js. It helps you create an application skeleton and a Hello World application. You will develop a To-Do list application that aims to show the basic features of knockout.js in action, such as data binding and observables, following which you will develop a dynamic online customer registration form that captures and validates customer information. This book will further walk you through developing a customer banking portal, which demonstrates the use of knockout.js with components such as navigation bars, tabs, carousels, master details view, panels, forms, and wizards. You will also discover how to use token-based authentication and authorization to secure the customer banking portal, and move on to creating an editable products grid with CRUD operations. Finally, you will explore how to use the Google Maps API with knockout.js. KnockoutJS By Example will not only leave you with a basic understanding of knockout.js fundamentals but also take you through some of the advanced features. It will help you get a web application up and ready instantly.
Table of Contents (11 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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License
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1
1. Getting Started
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1. Getting Started
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Understanding the MVVM design pattern
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The key features of Knockout
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Understanding the module pattern and its use with Knockout
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Building the address book application
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Resources
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Summary
2
2. Creating a To-do List Application
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2. Creating a To-do List Application
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Creating the skeleton
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Adding and viewing tasks
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Deleting a task
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Completing a task
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Setting priority for a task
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Sorting tasks by priority and name
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Viewing the number of total and completed tasks
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Summary
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3. Creating an Online Customer Registration Form
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3. Creating an Online Customer Registration Form
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Getting started
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Capturing personal information
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Capturing contact details
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Capturing residential and postal addresses
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Capturing credit card details
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Capturing interests
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Clearing the registration form
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Summary
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4. Adding Validation to the Customer Registration Form
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4. Adding Validation to the Customer Registration Form
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Validating the model using Knockout extenders
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Validating model using the Knockout validation plugin
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Summary
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5. Creating a Customer Banking Portal
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5. Creating a Customer Banking Portal
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Creating the skeleton
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Navigating between application features
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Viewing contact details and information about the bank
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Viewing accounts
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Viewing transactions for an account
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Viewing personal information
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Summary
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6. Enhancing the Customer Banking Portal
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6. Enhancing the Customer Banking Portal
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Updating personal information
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Cancel updating the personal information
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Validating personal information
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Transferring funds between accounts
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Summary
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7. Securing the Customer Banking Portal
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7. Securing the Customer Banking Portal
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Authentication mechanisms
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Logging in to the application
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Validating the login form
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Handling the authentication error
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Displaying the logged in user
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Logging out of the application
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Summary
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8. Building an Editable Products Grid with CRUD Operations
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8. Building an Editable Products Grid with CRUD Operations
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A word on REST
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Installing and running the sever
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Creating the skeleton
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Displaying the list of products
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Deleting a product
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Adding a product
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Updating a product
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Summary
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9. Using Google Maps APIs with Knockout
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9. Using Google Maps APIs with Knockout
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Creating the skeleton
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Capturing address using autocomplete
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Displaying address details
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Rendering the map
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Placing markers on the map
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Displaying route between markers
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Summary
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Index
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Index

Chapter 1. Getting Started

Knockout is an open source JavaScript library that lets you develop rich, interactive, and modular web applications. It does this in a manner that reduces complexities of JavaScript and HTML development and allows us to develop highly scalable, testable, and maintainable web applications.

Knockout provides the ability to bind HTML elements to a data model. The binding is two-way, which means that any change to the data is reflected in the HTML elements and any change to the HTML elements is reflected in the data. Knockout implements two-way binding using the Model-View-View Model (MVVM) design pattern. You will learn more about this pattern in the next section.

Knockout is a pure JavaScript library and is not dependent on other low-level JavaScript libraries such as jQuery or Prototype. Libraries such as jQuery can be used in conjunction with Knockout to provide richer features to your application such as making AJAX calls, providing animation to HTML elements, or providing event handling for custom user interface components.

Knockout supports all major browsers. A list of supported browsers can be found on the Knockout's website at http://knockoutjs.com/.

This chapter covers the following topics:

  • Understanding the MVVM design pattern: We will explore the MVVM pattern and how it is implemented using knockout.js
  • Key features of Knockout: We will look at the key features of knockout.js
  • Understanding the module pattern: We will explore the module pattern and see how it can be used to give structure to your Knockout application
    • Building your first application: We will build the first application and learn where to download knockout.js from and how to set up the development environment
    • Defining data model and applying data bindings: We will also learn the basics of defining the data model and applying data bindings
    • Applying styles to our application using Bootstrap
  • Taking a look at some useful resources
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