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MASTERING KNOCKOUTJS

By : Moran

4.7 (6)

MASTERING KNOCKOUTJS

4.7 (6)

By: Moran

Overview of this book

If you are an experienced JavaScript developer who is looking for new tools to build web applications and get an understanding of core elements and applications, this is the book for you. A basic knowledge of DOM, JavaScript, and KnockoutJS is assumed.

Preface

Preface

A note on Knockout 3.2

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Knockout Essentials

1. Knockout Essentials

The environment setup

An overview of Knockout

Observables

Defining viewmodels

The data-bind syntax

Control flow bindings

Template binding

Containerless control flow

Extenders

The Contacts List application

Summary

2. Extending Knockout with Custom Binding Handlers

2. Extending Knockout with Custom Binding Handlers

The data binding pattern

Components of a binding handler

Simple binding handlers

Advanced binding handlers

Containerless syntax with custom bindings

Summary

3. Extending Knockout with Preprocessors and Providers

3. Extending Knockout with Preprocessors and Providers

Binding the handler preprocessing

Node preprocessors

Binding providers

Knockout punches

Summary

4. Application Development with Components and Modules

4. Application Development with Components and Modules

RequireJS – AMD viewmodels

Components

Single Page Application (SPA) routing

Summary

5. Durandal – the Knockout Framework

5. Durandal – the Knockout Framework

An overview of the Durandal framework

The composition system

Using the router

Modal dialogs

The application's life cycle

Widgets

Summary

6. Advanced Durandal

6. Advanced Durandal

Publishing and subscribing

Handling logins

Guarded routes

Advanced composition

Child routers

Custom modal dialogs

Using activators

Binding to plain JavaScript objects

Summary

7. Best Practices

7. Best Practices

Sticking to MVVM

Using service modules

Creating small modules

Writing unit tests

Singleton versus instance

Calling ko.applyBindings once (per root)

Performance concerns

Summary

8. Plugins and Other Knockout Libraries

8. Plugins and Other Knockout Libraries

Knockout Validation

Knockout Mapping

Knockout Kendo

KoGrid

Knockout Bootstrap

Knockout Switch-Case

Knockout Projections

Knockout-ES5

Summary

9. Under the Hood

9. Under the Hood

Dependency tracking

The prototype chain

The binding expression parser

Applying bindings

Templates

The ko.utils reference

Summary

Index

Index

Chapter 7. Best Practices

Up until now, all the coding recommendations have been interspersed with Knockout techniques as they were introduced. In order to go into more detail about these patterns and why they are useful as well as to provide a consolidated reference, we are going to review them in this chapter. As JavaScript is a very flexible language, enjoys one of the largest online developer communities, and is in use at all levels of development on the hobbyist-enterprise spectrum, it is difficult to talk about good or useful patterns without becoming opinionated. These practices should be taken as advice and shouldn't be considered dogma. Many of these recommendations are applicable to programming in general and not just Knockout development.

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