Angular 19: Deep Dive into Modern Web Development | Udemy

A warm welcome to the Angular 19: Deep Dive into Modern Web Development course by Uplatz.

Angular is a TypeScript-based open-source front-end framework developed and maintained by Google. It is used for building dynamic, scalable, and high-performance web applications. Angular follows a component-based architecture and supports Single Page Applications (SPA), which provide a seamless user experience by dynamically updating content without reloading the entire page.

Angular 19 is the latest stable release of the Angular framework, bringing performance improvements, new features, and enhanced developer experience. It continues the evolution of Angular with better state management, enhanced routing, and improved API integrations.

Angular continues to be a powerful frontend framework that offers speed, efficiency, and a modern development experience. It is an excellent choice for developers, enterprises, and startups looking to build high-performance web applications.

How Angular Works

Angular follows a structured workflow based on components, templates, and services. The core working mechanism involves:

1. Component-Based Architecture
   • Applications are built using reusable components that control UI elements and logic.
2. Templates and Data Binding
   • HTML templates define the UI structure, and data binding synchronizes data between the model and view.
3. Directives
   • Special markers in HTML (*ngIf, *ngFor, ngClass) that control the rendering and behavior of elements.
4. Dependency Injection (DI)
   • Provides services and data efficiently to different parts of the application.
5. Routing & Navigation
   • Uses Angular Router for Single Page Application (SPA) navigation without full page reloads.
6. State Management
   • Supports RxJS (Reactive Extensions for JavaScript) and Angular Signals for handling application state and data streams.
7. API Integration & HTTP Client
   • Uses HttpClientModule to fetch, send, and manipulate data from REST APIs.
8. Build & Deployment
   • Angular applications are built using Angular CLI and can be deployed on platforms like Firebase, Vercel, or AWS.

Key Features of Angular 19

1. Angular Signals for State Management
   • An alternative to RxJS for a more intuitive way to handle state changes.
2. Improved Hydration for Server-Side Rendering (SSR)
   • Enhances page load speed and SEO with efficient hydration techniques.
3. Faster Builds with Optimized Angular Compiler
   • Reduces bundle size and improves rendering performance.
4. Better Developer Experience
   • Enhanced debugging and improved error messages.
5. Lazy Loading with Improved Route Handling
   • Loads only required modules to optimize performance.
6. Advanced Form Validation
   • Supports custom validators and reactive form improvements.
7. Web Components & Micro Frontend Support
   • Better integration with Web Components for scalable applications.
8. Enhanced TypeScript & ES6+ Features
   • Improved compatibility with latest JavaScript and TypeScript features.
9. Optimized Change Detection
   • Reduces unnecessary DOM updates, improving performance.
10. CLI Enhancements
    • New CLI commands for faster builds, unit testing, and deployment.

Benefits of using Angular

1. High Performance & Scalability – The component-based architecture and optimized rendering make Angular ideal for large-scale applications.
2. Enterprise-Grade Framework – Used by major companies like Google, Microsoft, and IBM for mission-critical applications.
3. Single Page Application (SPA) Capabilities – Ensures smooth and dynamic user experiences with fast navigation.
4. Robust Ecosystem – Backed by Google and a strong developer community, ensuring long-term support and frequent updates.
5. Enhanced Security – Provides built-in protection against web vulnerabilities like XSS (Cross-Site Scripting) and CSRF (Cross-Site Request Forgery).
6. Cross-Platform Support – Can be used for web, mobile (with Ionic), and even desktop applications.
7. Improved SEO with Server-Side Rendering (SSR) – Enhances search rankings and page speed, making Angular suitable for SEO-driven applications.
8. Strong TypeScript Support – Offers better code structure, maintainability, and debugging capabilities.
9. Extensive Third-Party Integrations – Easily integrates with libraries like RxJS, NgRx, Tailwind CSS, and Firebase for extended functionality.
10. Optimized Change Detection – Reduces unnecessary DOM updates, improving application efficiency and responsiveness.
11. Faster Development with Angular CLI – Provides built-in commands for scaffolding, testing, and deploying applications.
12. Modular Development Approach – Encourages code reusability and better project organization, leading to easier maintainability.
13. Built-in Form Validation & Reactive Forms – Supports both template-driven and reactive forms with powerful validation mechanisms.
14. Automatic Dependency Injection (DI) – Simplifies application structure and improves testability.
15. Lazy Loading Support – Loads only required modules, reducing initial load time and improving application speed.

Angular – Course Curriculum

Module 1: Angular Foundations

• 1. What is Angular?
  • Introduction to Angular and its benefits.
  • Why learn Angular for modern web development.
• 2. Angular 19 Setup
  • Installing Angular CLI.
  • Creating a new Angular application.
  • Troubleshooting common setup issues.
• 3. First Changes in Angular App
  • Basic modifications to app.component.html and app.component.ts.
  • Understanding the initial application structure.
• 4. Angular 19 File and Folder Structure
  • Detailed explanation of the Angular project architecture.
  • Understanding the purpose of key files and folders.
• 5. Interpolation in Angular
  • Displaying data in templates using interpolation.
  • Practical examples of data binding.
• 6. Angular CLI
  • Essential Angular CLI commands for development.
  • Generating components, services, and modules.

Module 2: Core Angular Concepts

• 7. Angular Components
  • Understanding the role of components in Angular.
  • Component lifecycle and data flow.
• 8. Creating a Custom Component
  • Manual creation of reusable components.
  • Component interaction and best practices.
• 9. Function Calls on Button Click in Angular
  • Handling user interactions with event binding.
  • Implementing event handlers and methods.
• 10. Defining Data Types in Angular
  • Using TypeScript data types for robust applications.
  • Type safety and best practices.
• 11. Build a Counter App in Angular
  • Hands-on project: building a simple counter application.
  • Applying core Angular concepts.
• 12. Important Events in Angular
  • Exploring common DOM events in Angular.
  • Practical examples of event handling.
• 13. Getting and Setting Input Field Values in Angular
  • Two-way data binding and form input handling.
  • Practical input field manipulation.
• 14. Styling in Angular
  • Component-specific styling and global styles.
  • Using CSS, SCSS, and other styling techniques.
• 15. Conditional Rendering with if-else and Toggle Functionality
  • Using *ngIf for conditional rendering.
  • Implementing toggle functionality.
• 16. Control Flow with else if
  • Expanding conditional logic with *ngIf and else if.
• 17. Using switch-case in Angular
  • Implementing switch-case logic in templates.
• 18. Using for Loop in Angular
  • Iterating over data with *ngFor.
• 19. Angular Signals
  • Introduction to Angular Signals for reactive state management.
• 20. Data Types with Signals
  • Using various data types with Signals.
• 21. Computed Signals
  • Utilizing computed signals for derived values.
• 22. Angular Effects
  • Understanding and using Angular Effects.
• 23. @for Loop and Contextual Variables
  • Exploration of the @for loop and contextual variables.
• 24. Two-Way Binding
  • Implementing two-way data binding with ngModel.
• 25. To-Do List
  • Hands-on project: building a to-do list application.
• 26. Angular Dynamic Styling
  • Applying dynamic styles based on component state.
• 27. Directives in Angular
  • Introduction to structural and attribute directives.
• 28. ngFor Directive
  • Advanced usage of the ngFor directive.
• 29. ngIf Directive
  • Using the ngIf directive and else blocks.
• 30. ngSwitch Directive
  • Implementing switch-case logic with ngSwitch.

Module 3: Routing, Forms, and Data Management

• 31. Basic Routing in Angular
  • Setting up routes and navigation.
  • Creating single-page applications.
• 32. Adding a Header with Routing
  • Implementing a navigation header with routing.
• 33. Creating a 404 Page
  • Handling invalid routes with a 404 page.
• 34. Passing Data Between Pages
  • Passing data using route parameters and query parameters.
• 35. Dynamic Routing
  • Implementing dynamic routes with parameters.
• 36. Forms in Angular
  • Introduction to template-driven and reactive forms.
• 37. Basic Reactive Forms
  • Creating forms with reactive form APIs.
• 38. Reactive Forms with Form Grouping
  • Organizing forms with form groups.
• 39. Reactive Form Validation
  • Implementing form validation with reactive forms.
• 40. Template-Driven Forms
  • Creating forms with template-driven approach.
• 41. Angular Template-Driven Forms Validation
  • Validation of Template driven forms.
• 42. Passing Data from Parent to Child
  • Using @Input to pass data between components.
• 43. Reusable Component Example
  • Building reusable components.
• 44. Passing data from a Child Component to a Parent Component
  • Using @Output and event emitters.
• 45. Angular Pipes
  • Transforming data with built-in pipes.
• 46. Creating Custom Pipes in Angular
  • Building custom data transformation pipes.
• 47. Angular Lifecycle Hooks Tutorial
  • Understanding component lifecycle hooks.
• 48. Angular Services
  • Creating and using Angular services for data sharing.
• 49. Calling API with Services in Angular
  • Making HTTP requests with Angular services.
• 50. Using Data Types for API Results
  • Typing API responses.
• 51. Post API Tutorial
  • Implementing POST requests.
• 52. Delete API Tutorial
  • Implementing DELETE requests.
• 53. Populate Data in Input Fields with API
  • Populating forms with API data.
• 54. Update Data with PUT API Method
  • Implementing PUT requests.
• 55. Route Lazy Loading
  • Improving performance with lazy loading.

Module 4: Advanced Angular and Deployment

• 56. Build and Local Deploy
  • Building and deploying Angular applications locally.
• 57. Deploying an Angular App on Vercel
  • Deploying Angular applications to Vercel.
• 58. Setup Tailwind CSS in Angular
  • Integrating Tailwind CSS for styling.
• 59. Introduction to RxJS in Angular
  • Understanding RxJS observables and operators.
• 60. RxJS Observables vs Angular Signals
  • Comparision of Signals and Observables.
• 61. Angular Dependency Injection (DI)
  • Understanding and using dependency injection.
• 62. Optimizing Performance in Angular
  • Techniques for optimizing Angular application performance.