Gain insights into Angular’s built-in directives and pipes, and delve into creating custom ones. Learn about their real-world applications to boost your project's performance and code readability.

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Directives and pipes are incredible and often undervalued features of the Angular framework. They allow us to write efficient code, improve application performance, and omit code duplications.

In this course, you will learn about the theory and the working mechanisms of built-in directives and pipes in Angular. You’ll also implement some custom directives and pipes to learn about their real-world application cases. With this course, you will improve your Angular skills and refine your project’s codebase to increase the performance and readability of your code.

Directives and Pipes in Angular

Let's practice what we learned and improve our directive for avatars.



# Objectives

We’ll create a similar directive to the one in the previous lesson, so that it matches the following criteria:


- The directive should set the size of the element to 72px x 72px.

- The directive should add a yellow, 1px-width border to the image.

- The directive should round the image so that it’s in the same shape as the circle.

- The directive should only work on `<img>` element and not any other. 

>  **Hint:** Think about the selector's possibilities

# Task
Please write the code below:

Let’s practice implementing a custom attribute directive.


Introduction to Attribute Directives - Task

Let’s practice implementing a custom attribute directive.

Getting Started

Directives

Test: Built-in Directives

Attribute Directives

Test: Attribute Directives

Structural Directives

Test: Structural Directives

Create Your First Data Pipeline with a Dashboard

Advanced Techniques Using Directives

Test: Advanced Directives

Directives Summary

Pipes

Test: Pipes

Pipes summary

Build an E-book Reader in Angular With Gutendex API

Exercise: Introduction to Attribute Directives