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Angular Introduction

Angular is a JavaScript framework introduced in 2010. It is widely used for building web applications. The framework enables you to create reusable Components, services for data sharing and functionality, and dependency injection for managing dependencies between components.

What is Angular used for?

Angular is used for building responsive and dynamic web applications. It allows you to create interactive user interfaces and handle data binding easily.

What is the main feature of Angular?

The main feature of Angular is its component-based architecture. It allows you to build complex applications by composing smaller, reusable components.

What are the advantages of Angular?

1. Simplified development process with reusable components
2. Efficient data binding and handling
3. Modular and scalable architecture
4. Enhanced productivity with features like dependency injection

Example: Angular Introduction

import { Component, Injectable } from '@angular/core';

@Injectable({
  providedIn: 'root'
})
export class DataService {
  getData() {
    // Test data retrieval
    return ['John', 'Jane', 'Jack'];
  }
}

@Component({
  selector: 'app-root',
  template: `
    
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This is an example of an Angular component.
    
{{ dataService.getData() }}
  `,
})
export class AppComponent {
  constructor(private dataService: DataService) { }
}

FAQ (Interview Questions and Answers)

1. What is Angular?
   Angular is a JavaScript framework for building web applications.
   Angular is a programming language for back-end development.
   Angular is a database management system.
   
2. What is the significance of Angular?
   Angular is significant because it enables server-side rendering.
   Angular is significant because it emphasizes reusable components and services for building scalable applications.
   Angular is significant because it offers a large collection of pre-built UI components.
   
3. What are the main concepts of Angular?
   The main concepts of Angular include loops, conditions, and functions.
   The main concepts of Angular include tables, forms, and images.
   The main concepts of Angular include components, services, and dependency injection.
   
4. What are components in Angular?
   Components in Angular are reusable building blocks that encapsulate the template, data, and behavior of a part of the user interface.
   They are used for making HTTP requests to the server.
   They are used to manage database connections.
   
5. What are services in Angular?
   Services in Angular are used to define the layout and styling of components.
   Services in Angular are used to handle user interactions and events.
   Services in Angular are used to share data and functionality across multiple components in a modular way.
   

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