Angular Interview Questions | TCS Interview
Angular Interview Questions | TCS Interview
Ace your Angular interview. This video covers Angular interview questions and answers for freshers and experienced candidates. Learn about services, directives, dependency injection, lifecycle hooks, RxJS, and more. We'll cover everything from basic to advanced and scenario-based questions to help you clear Angular interview.
This video covers a wide range of Angular interview questions, suitable for both freshers and experienced candidates. The discussion begins with JavaScript concepts (0:00) like hoisting, shallow vs. deep copy, ES6 features (arrow functions, promises, async/await), and the JavaScript engine.
The conversation then transitions to Angular-specific topics:
• Angular folder structure (7:14) and component-driven architecture.
• Lazy loading (8:05) and its benefits for application performance.
• Services (8:49) for shared logic and API calls.
• Directives and pipes (9:20), including custom pipes and their types (pure vs. impure).
• Angular lifecycle hooks (10:32), such as 'ngOninit', ngDoCheck', and 'ngOnDestroy'
• Decorators (11:46) like '@Input,
'@Output'
@ViewChild, '@HostListener', and '@HostBinding
• TypeScript benefits (12:43), including classes, interfaces, and utility types.
• Best practices for API calls (13:54) in Angular services.
The video also touches upon related frontend technologies:
• HTML semantic tags (15:23) and their importance for SEO and accessibility.
• Responsive design (17:40) using media queries, Bootstrap and CSS Flexbox.
• CSS concepts (18:20) like the box model and specificity.
• Git commands (21:07) such as 'pull' and 'fetch'
Finally, the discussion delves into performance optimization (21:50) strategies for Angular applications, including change detection strategies, pure pipes, proper observable handling, and SOLID principles. It concludes with insights into architectural patterns (24:06) like MVC, design patterns (25:24) such as dependency injection, and security best practices (27:33) like cross-site scripting prevention and route guards.
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