Book Image

KnockoutJS by Example

By : Adnan Jaswal
Book Image

KnockoutJS by Example

By: Adnan Jaswal

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 (17 chapters)
KnockoutJS by Example
Credits
About the Author
Acknowledgment
About the Reviewers
www.PacktPub.com
Preface
Index

Validating model using the Knockout validation plugin


Knockout validation is a plugin for validating the model. It uses the Knockout extenders to provide validation, similar to the concept described in the previous section. The advantage of using this plugin is that the most common extenders are already defined for you. All you have to do is configure and apply the extenders. This section will explore and demonstrate the use of the validation plugin for validating the model. The examples in this section will apply this method of validation to all the fields in the customer registration form application. You can make a copy of the customer registration form application developed in the previous chapter and apply the validation by performing the steps in the following sections.

Getting started

The first step is to download the validation plugin. The validation plugin can be downloaded from https://github.com/Knockout-Contrib/Knockout-Validation. Place the downloaded files, knockout.validation...