Book Image

Expert Angular

By : Sridhar Rao Chivukula
Book Image

Expert Angular

By: Sridhar Rao Chivukula

Overview of this book

Got some experience of Angular under your belt? Want to learn everything about using advanced features for developing websites? This book is everything you need for the deep understanding of Angular that will set you apart from the developer crowd. Angular has introduced a new way to build applications. Creating complex and rich web applications, with a lighter resource footprint, has never been easier or faster. Angular is now at release 4, with significant changes through previous versions. This book has been written and tested for Angular release 4. Angular is a mature technology, and you'll likely have applications built with earlier versions. This book starts by showing you best practices and approaches to migrating your existing Angular applications so that you can be immediately up-to-date. You will take an in-depth look at components and see how to control the user journey in your applications by implementing routing and navigation. You will learn how to work with asynchronous programming by using Observables. To easily build applications that look great, you will learn all about template syntax and how to beautify applications with Material Design. Mastering forms and data binding will further speed up your application development time. Learning about managing services and animations will help you to progressively enhance your applications. Next you’ll use native directives to integrate Bootstrap with Angular. You will see the best ways to test your application with the leading options such as Jasmine and Protractor. At the end of the book, you’ll learn how to apply design patterns in Angular, and see the benefits they will bring to your development.
Table of Contents (18 chapters)

Components 101

Components are the building blocks of Angular applications, and any such application needs at least one component called the root component to be defined before it can be executed.

A basic root component

A component is defined in Angular as a class with specific metadata that associates it with an HTML template and a jQuery-like HTML DOM selector:

  • The component template can be bound to any properties or functions that belong to the component class
  • The component selector (similar to a jQuery selector) can target an element tag, attribute, or style class that defines the component insertion point

When executed within an Angular application, a component will usually render an HTML snippet in a specific page location...