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Essential Angular

You're reading from   Essential Angular Fast paced guide to Front-end web development with Angular

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Product type Paperback
Published in May 2017
Publisher Packt
ISBN-13 9781788293761
Length 108 pages
Edition 1st Edition
Tools
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Authors (3):
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Narwhal Technologies Inc Narwhal Technologies Inc
Author Profile Icon Narwhal Technologies Inc
Narwhal Technologies Inc
Jeff Cross Jeff Cross
Author Profile Icon Jeff Cross
Jeff Cross
Victor Savkin Victor Savkin
Author Profile Icon Victor Savkin
Victor Savkin
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Toc

Let's recap

What I have listed constitutes a component.

  • A component knows how to interact with its host element
  • A component knows how to interact with its content and view children
  • A component knows how to render itself
  • A component configures dependency injection
  • A component has a well-defined public API of input and output properties

All of these make components in Angular self-describing, so they contain all the information needed to instantiate them. And this is extremely important.

This means that any component can be bootstrapped. It does not have to be special in any way. Moreover, any component can be loaded into a router outlet. As a result, you can write a component that can be bootstrapped as an application, loaded as a route, or used in some other component directly. This results in less API to learn. And it also makes components more reusable.

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