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Learning Angular

Learning Angular - Fifth Edition

By : Aristeidis Bampakos
4.1 (7)
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Learning Angular

Learning Angular

4.1 (7)
By: Aristeidis Bampakos

Overview of this book

Dive into Angular Development — With the Most Trusted Guide in the Industry Angular is one of the most powerful and widely adopted JavaScript frameworks, and Learning Angular is your go-to guide for building real-world, production-ready web applications. Written by a seasoned Angular developer and Google Developer Expert, this hands-on book takes you through every step of modern frontend development. This edition reflects the latest “Angular Renaissance,” covering standalone components, Angular Signals, and the new control flow syntax, while showing you how to integrate with legacy code. A new chapter also explores boosting performance with server-side rendering (SSR) and hydration. More than just a tutorial, Learning Angular builds your confidence chapter by chapter from scaffolding your first project to deploying it, with TypeScript best practices throughout. Whether you’re new to Angular or sharpening your skills, this book provides a complete path to becoming a productive, future-ready Angular developer. By the end, you’ll be able to build Angular apps from scratch, with clarity, structure, and confidence.
Table of Contents (19 chapters)
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17
Other Books You May Enjoy
18
Index

Providing dependencies across the application

The Angular framework offers an actual injector that can introspect the tokens used to annotate the parameters in the constructor of an Angular artifact.

It returns a singleton instance of the type represented by each dependency so that we can use it straight away in the implementation of our class. The injector maintains a list of all dependencies that an Angular application needs. When a component or other artifact wants to use a dependency, the injector first checks to see if it has already created an instance of this dependency. If not, it creates a new one, returns it to the component, and keeps a copy for further use. The next time the same dependency is requested, it returns the copy previously created. But how does the injector know which dependencies an Angular application needs?

When we create an Angular service, we use the providedIn property of the @Injectable decorator to define how it is provided to the application. That is,...

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Learning Angular
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