Angular

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Angular#

Angular is a robust, full-featured framework for building web applications developed and maintained by Google. It’s a complete rewrite of AngularJS and has become one of the most popular enterprise-level frontend frameworks.

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Here’s what makes Angular powerful:

  • Component-based architecture: Organize your application into reusable, encapsulated components

  • TypeScript integration: Benefit from strong typing and object-oriented features

  • Dependency injection: Build services that can be injected where needed

  • RxJS integration: Handle asynchronous operations using observables

  • Comprehensive tooling: Angular CLI simplifies project creation, development, and deployment

A simple example of an Angular component:

// hello.component.ts
import { Component } from '@angular/core';

@Component({
selector: 'app-hello',
template: `
   <h1>Hello, {{ name }}!</h1>
   <button (click)="incrementCount()">
      You clicked me {{ count }} times
   </button>
`
})
export class HelloComponent {
   name = 'World';
   count = 0;

   incrementCount() {
      this.count++;
   }
}

To fetch data from an API:

// data.service.ts
import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';

@Injectable({
providedIn: 'root'
})
export class DataService {
constructor(private http: HttpClient) {}

getData(): Observable<any[]> {
      return this.http.get<any[]>('https://api.example.com/data');
   }
}

Resources#

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