Learn ANGULAR with Real Code Examples
Updated Nov 21, 2025
Architecture
Component-based architecture
Service layer for dependency injection
RxJS for reactive state management
Angular modules (NgModule) for encapsulation
Router for SPA navigation
Rendering Model
Client-side rendering by default
Server-side rendering via Angular Universal
Change detection for reactive UI updates
Template compilation to optimized JavaScript
DOM manipulation via directives and components
Architectural Patterns
Component-based development
Modular architecture via NgModules
Service-oriented architecture with DI
Reactive programming with Observables
Lazy loading and code splitting
Real World Architectures
Enterprise SPAs
Progressive Web Apps
Dynamic dashboards and admin panels
E-commerce frontends
Cross-platform Angular apps with Angular Universal
Design Principles
Component-based architecture
Reactive programming with RxJS
Separation of concerns (modules, services)
Declarative UI templates
Type safety with TypeScript
Scalability Guide
Modular project structure with lazy-loaded modules
Use services for shared state
Optimize change detection with OnPush strategy
Tree-shake unused modules and components
Use CLI production builds and AOT compilation
Migration Guide
Update Angular CLI globally
Use Angular update guide for version migration
Refactor deprecated APIs
Test all components and modules
Ensure RxJS and third-party libraries compatibility