Learn ANGULAR with Real Code Examples
Updated Nov 21, 2025
Performance Notes
Use OnPush change detection strategy when possible
Lazy-load modules for large apps
Minimize DOM manipulations
Use trackBy with ngFor to optimize lists
Bundle optimization with Angular CLI
Security Notes
Sanitize user input with Angular sanitization
Avoid direct DOM manipulation
Use Angular's built-in XSS and CSRF protections
Follow secure authentication and authorization practices
Keep Angular and dependencies up-to-date
Monitoring Analytics
Use logging services
Track performance with Lighthouse
Profile change detection cycles
Monitor network calls
Use analytics tools (Google Analytics, custom dashboards)
Code Quality
Use Angular Style Guide
Lint code with TSLint/ESLint
Write unit tests with Jasmine/Karma
End-to-end tests with Cypress/Protractor
Continuous integration with Angular CLI