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Components in Angular 8 - GeeksforGeeks

Last Updated : 04 Nov, 2020

The component is the basic building block of Angular. It has a selector, template, style, and other properties, and it specifies the metadata required to process the component. 

Creating a Component in Angular 8:

To create a component in any angular application, follow the below steps:

• Get to the angular app via your terminal.
• Create a component using the following command:

ng g c <component_name> 
OR
ng generate component <component_name> 

• Following files will be created after generating the component:

Using a component in Angular 8:

• Go to the component.html file and write the necessary HTML code.
• Go to the component.css file and write the necessary CSS code.
• Write the corresponding code in component.ts file.
• Run the Angular app using ng serve --open

Implementation code: Please note that the name of the component in the below code is gfg component.

gfg.component.html:

gfg.component.css:

h1{
    color: green;
    font-size: 30px;
}

gfg.component.ts:

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

@Component({
  selector: 'app-gfg',
  templateUrl: './gfg.component.html',
  styleUrls: ['./gfg.component.css']
})
export class GfgComponent{
    a ="GeeksforGeeks";
}

app.module.ts:

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';

import { AppComponent } from './app.component';
import { GfgComponent } from './gfg/gfg.component';
 
 
@NgModule({
  imports:      [ BrowserModule ],
  declarations: [ AppComponent, GfgComponent ],
  bootstrap:    [ AppComponent ]
})
export class AppModule { }

Output:

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HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4