Angular 12 ⭐ Star Rating System Tutorial

Star ⭐ rating system in angular 12 example. In this tutorial, i will teach you step by step how to build star ⭐ rating component in Angular 12 version and Bootstrap.

The star ⭐ rating system is often used to measure the quality of a particular product or service.

Star ⭐ Rating in Angular 12 Example

Step 1 – Create New Angular App
Step 2 – Install Marked Parser Package
Step 3 – Install NGBootstrap in Angular
Step 4 – Add Code on View File
Step 5 – Add Code On app.Component ts File
Step 6 – Start the Angular Star Rating App

Step 1 – Create New Angular App

Execute the following command on terminal to install angular app:

ng new my-new-app

Step 2 – Install Marked Parser Package

Then Install the marked Markdown parser plugin through NPM. Its a low-level and powerful compiler for parsing Markdown without caching or blocking for long periods. So, You can install the packages by executing the following commands on the terminal:

npm i marked

Step 3 – Install NGBootstrap in Angular

Execute the following command on terminal to install the ng-bootstrap package:

ng add @ng-bootstrap/ng-bootstrap

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Step 4 – Add Code on View File

Create star ⭐ rating in angular app. So, visit src/app/ and app.component.htmland update the following code into it:

<h2>Angular 12 Star Rating Example</h2>
<ngb-rating [max]="5" [(rate)]="starRating" [readonly]="false"></ngb-rating>

Step 5 – Add Code On app.Component ts File

Go to src/app directory and open app.component.ts. Then add the following code into component.ts file:

import { Component } from '@angular/core';
@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.scss']
})
export class AppComponent {
  starRating = 0; 
}

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Step 6 – Start the Angular Star Rating App

Execute the following command on terminal to start angular star rating app:

ng serve