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Learning Angular, Fourth Edition

You're reading from   Learning Angular, Fourth Edition A no-nonsense guide to building web applications with Angular 15

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Product type Paperback
Published in Feb 2023
Publisher Packt
ISBN-13 9781803240602
Length 446 pages
Edition 4th Edition
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Authors (2):
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Pablo Deeleman Pablo Deeleman
Author Profile Icon Pablo Deeleman
Pablo Deeleman
Aristeidis Bampakos Aristeidis Bampakos
Author Profile Icon Aristeidis Bampakos
Aristeidis Bampakos
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Table of Contents (17) Chapters Close

Preface 1. Building Your First Angular Application FREE CHAPTER 2. Introduction to TypeScript 3. Organizing Application into Modules 4. Enabling User Experience with Components 5. Enrich Applications Using Pipes and Directives 6. Managing Complex Tasks with Services 7. Being Reactive Using Observables and RxJS 8. Communicating with Data Services over HTTP 9. Navigating through Application with Routing 10. Collecting User Data with Forms 11. Introduction to Angular Material 12. Unit Test an Angular Application 13. Bringing an Application to Production 14. Handling Errors and Application Debugging 15. Other Books You May Enjoy
16. Index

Building custom directives

Custom directives encompass a vast world of possibilities and use cases, and we would need an entire book to showcase all the intricacies and possibilities they offer. In a nutshell, they allow you to attach advanced behaviors to elements in the DOM or modify their appearance.

If a directive has a template attached, then it becomes a component. In other words, components are Angular directives with a view. This rule becomes handy when we want to decide whether we should create a component or a directive for our needs. If we need a template, we create a component; otherwise, make it a directive.

As we have already learned, directives fall mainly into two categories: structural and attribute. In the following sections, we will showcase how to create a directive for each category from scratch.

Displaying dynamic data

We have all found ourselves in a situation where we want to add copyright information to our applications. Ideally, we want to use...

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