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Angular Cookbook

Angular Cookbook

By : Muhammad Ahsan Ayaz
4 (13)
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Angular Cookbook

Angular Cookbook

4 (13)
By: Muhammad Ahsan Ayaz

Overview of this book

Angular has long been the framework of choice for web development projects of various scales, offering much-needed stability and a rich tooling ecosystem for building production-ready web and mobile apps. This recipe-based guide ensures high performance apps with the latest version of Angular, helping you to build up your Angular expertise with a wide range of recipes across key tasks in web development. In this second edition, the recipes have been updated, added, and improved based on developer feedback, new challenges, and Angular 17. The first few chapters will show you how to utilize core Angular concepts such as components, directives, and services to get you ready for building frontend web apps. You’ll then develop web components with Angular and go on to learn about advanced concepts such as dynamic components loading and state management with NgRx for achieving real-time performance. Later chapters will focus on recipes for effectively testing your Angular apps to make them fail-safe, before progressing to techniques for optimizing your app’s performance. Finally, you’ll create Progressive Web Apps (PWA) with Angular to provide an intuitive experience for users. By the end of this book, you’ll be able to create full-fledged, professional-looking Angular apps and have the skills you need for frontend development.
Table of Contents (16 chapters)
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14
Other Books You May Enjoy
15
Index

Component communication using signals

Signals are a powerful addition in the Angular ecosystem. They are also more efficient than regular Angular class properties because when you change the value of a signal, Angular will only notify the components that are subscribed to that signal to run the change detection. This can improve the performance of your application, especially if there are many components that are subscribed to the signal. In this recipe, we will work with Angular Signals to achieve a few interesting results. We will show the number of the finished tasks against total tasks. And we will show a message when all tasks are completed. Let’s do this!

Getting ready

The app that we are going to work with resides in start/apps/chapter01/ng-cc-signals inside the cloned repository. Perform the following steps to get started:

  1. Open the code repository in your code editor.
  2. Open the terminal, navigate to the code repository directory, and run the...

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