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Learning Angular

Learning Angular - Fifth Edition

By : Aristeidis Bampakos
4.6 (5)
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Learning Angular

Learning Angular

4.6 (5)
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

Handling runtime errors

The most common runtime errors in an Angular application come from the interaction with an HTTP API. Entering the wrong login credentials or sending data in the wrong format can result in an HTTP error. An Angular application can handle HTTP errors in the following ways:

  • Explicitly during the execution of a particular HTTP request
  • Globally in the global error handler of the application
  • Centrally using an HTTP interceptor

In the following section, we will explore how to handle an HTTP error in a specific HTTP request.

Catching HTTP request errors

Handling errors in HTTP requests typically requires manually inspecting the information returned in the error response object. RxJS provides the catchError operator to simplify that. It can catch potential errors when initiating an HTTP request with the pipe operator.

You will need the source code of the Angular application we created in Chapter 10, Collecting User...

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Learning Angular
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