Setting up Angular 19

Course overview

Uplatz offers this comprehensive course on Angular: Full-Stack Application Development. It is a self-paced course with video lectures. You will be awarded Course Completion Certificate at the end of the course.

What is Angular?

Angular is a popular open-source web application framework developed and maintained by Google. It is used for building dynamic, single-page applications (SPAs) and progressive web apps (PWAs). Angular is a TypeScript-based framework that provides a structured way to develop web applications by offering a comprehensive suite of tools and features.

Angular is a powerful framework for modern web development, offering a robust set of tools and features to build dynamic, scalable, and maintainable applications. Its component-based architecture, TypeScript support, and comprehensive ecosystem make it a popular choice for developers and organizations worldwide. Whether you're building a small project or a large enterprise application, Angular provides the tools and structure needed to succeed.

How Angular Works

Angular works by extending HTML with additional attributes and using a component-based architecture. Here's a high-level overview of how Angular works:

1. Components: Angular applications are built using components. Each component consists of:

   • A TypeScript class that defines the behavior (logic).

   • An HTML template that defines the view (UI).

   • CSS styles for styling the component.

2. Modules: Angular apps are modular, and Angular uses NgModules to organize the application into cohesive blocks of functionality. Every Angular app has at least one root module (AppModule).

3. Templates: Angular uses HTML templates to define the UI. These templates can include Angular-specific syntax like data binding, directives, and pipes.

4. Data Binding: Angular provides a powerful data binding mechanism that synchronizes the data between the component and the view. There are four forms of data binding:

   • Interpolation ({​{ }​})

   • Property binding ([ ])

   • Event binding (( ))

   • Two-way binding ([( )])

5. Dependency Injection: Angular has a built-in dependency injection system that makes it easier to develop and test applications by providing dependencies to components and services.

6. Routing: Angular's router enables navigation between different views or components based on the URL. It allows for lazy loading of modules, which improves performance.

7. Services: Services are used to encapsulate business logic, data access, or shared functionality. They can be injected into components.

8. Directives: Angular provides built-in directives (e.g. ngIf, ngFor) to manipulate the DOM and add dynamic behavior to the application.

9. Pipes: Pipes are used to transform data in the template, such as formatting dates, currency, or filtering lists.

10. Change Detection: Angular uses a change detection mechanism to automatically update the view whenever the underlying data changes.

Key Features of Angular

1. Two-Way Data Binding: Simplifies the synchronization between the model and the view.

2. Component-Based Architecture: Encourages reusability and modularity.

3. TypeScript Support: Provides strong typing, better tooling, and improved code quality.

4. Dependency Injection: Makes applications more modular and testable.

5. RxJS Integration: Simplifies handling asynchronous operations and event-based programming.

6. Angular CLI: A command-line tool for scaffolding, building, and testing Angular applications.

7. Cross-Platform Development: Supports building web, mobile (via Ionic), and desktop (via Electron) applications.

8. Powerful Templating: Combines HTML with Angular directives for dynamic content.

9. Built-in Routing: Simplifies navigation and lazy loading.

10. Comprehensive Tooling: Includes tools for testing, debugging, and optimizing applications.

Benefits of Angular

1. Enhanced Productivity: Angular's CLI, component-based architecture, and reusable code reduce development time.

2. Improved Performance: Features like lazy loading, Ahead-of-Time (AOT) compilation, and tree-shaking optimize performance.

3. Scalability: Angular is designed for building large-scale applications with maintainable code.

4. Cross-Platform Support: Enables developers to build applications for web, mobile, and desktop using a single framework.

5. Strong Community and Ecosystem: Backed by Google and a large community, Angular has extensive documentation, third-party libraries, and tools.

6. TypeScript Advantages: Strong typing, better IDE support, and improved code maintainability.

7. Testing Support: Built-in support for unit testing and end-to-end testing.

8. Consistency: Angular provides a consistent structure and best practices, making it easier for teams to collaborate.

9. Security: Built-in protections against common web vulnerabilities like XSS and CSRF.