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What are components and modules in Angular?

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01

Understand the problem

Describe the role of components and NgModules.

componentsmodules
02

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A component controls a piece of UI via a template, a TypeScript class, and styles (declared with @Component). A module (@NgModule) groups related components, directives, pipes, and providers into a cohesive block and declares what it exports/imports. Modern Angular also supports standalone components th

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04

Read the code

A component and the module that declares it
import { Component, NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';

@Component({
  selector: 'app-greeting',
  template: '<h3>Hello, {{ name }}!</h3>',   // template + binding
})
export class GreetingComponent {
  name = 'Angular';                          // component state
}

@NgModule({
  declarations: [GreetingComponent],         // module groups the component
  imports: [BrowserModule],
})
export class AppModule {}
05

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