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Heyo! Are you looking to learn Angular and build some cool web applications? That's great because I'll be teaching you some of it! Angular is a powerful JavaScript framework that makes it easy to build interactive, single-page applications (SPAs). In this tutorial, I'll walk you through the basics of Angular and get you up and running in no time.

Before we get started, you'll need to have Node.js and the Angular CLI (Command Line Interface) installed on your computer. You can download Node.js from the official website (https://nodejs.org/) and install the Angular CLI by running the following command in your terminal:

        
    npm install -g @angular/cli
        

With those tools installed, you're ready to create your first Angular application. In your terminal, navigate to the directory where you want to create the project and run the following command:

        
    ng new my-app    
        

This will create a new Angular project with the name "my-app" and install all of the necessary dependencies. Once the installation is complete, navigate to the project directory by running:

   
    cd my-app
        

To start the development server and view your application in the browser, run the following command:

        
    ng serve
        

This will compile your application and start a local development server at http://localhost:4200. You can view the application by opening this URL in your browser.

Your Angular application is made up of components, which are pieces of code that control a specific part of the application. The root component is defined in the file src/app/app.component.ts. This component defines the structure and behavior of the application.

Here is the code for the root component:

        
    import { Component } from '@angular/core';

    @Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
    styleUrls: ['./app.component.css']
    })
    export class AppComponent {
    title = 'my-app';
    }
    

The component has a few important parts:

• The `@Component` decorator defines the component and its metadata, such as the component's selector, template, and styles.
• The `selector` specifies a name for the component, which you can use to include the component in your HTML template. In this case, the component can be used as the `app-root` element.
• The `templateUrl` and `styleUrls` properties specify the locations of the component's template and styles, respectively.
• The `AppComponent` class defines the component's behavior. In this case, it has a single property called `title` that is set to the string `'my-app'`.

To display the component in the browser, you'll need to include it in the HTML template. The template is defined in the file src/app/app.component.html. You can include the component in the template like this:

    <app-root>Loading...</app-root>
    

This will display the component in the DOM with the text "Loading..." until the component is fully loaded. You can then use the component's properties and methods in the template to display dynamic content. For example, to display the `title` property in the template, you can use the following code:

    <h1>{{title}}</h1>
    

This will display the `title` property as an H1 heading in the template. You can also use directives, such as `ngIf` and `ngFor`, to control the rendering of the template based on the component's state. For example, to only display an element if the `title` property is defined, you can use the following code:

    <h1 *ngIf="title">{{title}}</h1>
    

Book recommendations

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Pro Angular

Written by Adam Freeman, this book is a comprehensive guide to learning Angular, covering everything from the basics of components and modules to advanced topics like dependency injection, testing, and performance optimization. It includes plenty of examples and exercises to help you practice what you've learned, and it's suitable for both beginners and experienced developers looking to improve their skills.

Angular: Up and Running

This book, written by Brad Green and Shyam Seshadri, is a comprehensive guide to learning Angular, covering everything from the basics of components and modules to advanced topics like dependency injection, testing, and performance optimization. It includes plenty of examples and exercises to help you practice what you've learned, and it's suitable for both beginners and experienced developers looking to improve their skills.

Angular in Action

Written by Jeremy Wilken, this book is a comprehensive guide to building web applications with Angular, covering everything from the basics of components and modules to advanced topics like dependency injection, testing, and performance optimization. It includes plenty of examples and exercises to help you practice what you've learned, and it's suitable for both beginners and experienced developers looking to improve their skills.

Mastering Angular

Written by Nathan Murray, this book is a comprehensive guide to building web applications with Angular, covering everything from the basics of components and modules to advanced topics like dependency injection, testing, and performance optimization. It includes plenty of examples and exercises to help you practice what you've learned, and it's suitable for both beginners and experienced developers looking to improve their skills.

Angular in Depth

Written by Pascal Precht, this book is a comprehensive guide to building web applications with Angular, covering everything from the basics of components and modules to advanced topics like dependency injection, testing, and performance optimization. It includes plenty of examples and exercises to help you practice what you've learned, and it's suitable for both beginners and experienced developers looking to improve their skills.

That's it! You now have a basic understanding of how to create an Angular component and display it in the browser. You can use this knowledge to build more complex applications by creating additional components and linking them together with routes. Happy coding!