Coin Flipping App Using Angular Last Updated : 23 Jul, 2025 Comments Improve Suggest changes Like Article Like Report We will be developing a Coin Flipping Application using the Angular framework. This interactive app will allow users to flip a coin with realistic animation and display the result of the flip. We will focus on creating a smooth and visually appealing experience by incorporating Angular's component-based architecture and CSS animations. Project PreviewProject PreviewPrerequisitesNode.js Angular CLITypeScript ApproachUse CSS animations to visually represent the coin flipping motion.Randomly select between heads and tails images after the flip.Disable the button and show the result only after the animation completes.Show the outcome of the flip (heads or tails) once the animation ends.Steps to Create Coin Flipping App using AngularStep 1: Install Angular CLIIf you haven’t installed Angular CLI yet, install it using the following commandnpm install -g @angular/cliStep 2: Create a New Angular Projectng new coinFlipApp --no-standalonecd coinFlipAppStep 3: Create Standalone ComponentCreate a standalone component. You can generate a standalone component using the Angular CLI:ng generate component coin-flip Dependencies"dependencies": { "@angular/animations": "^18.1.4", "@angular/common": "^18.1.4", "@angular/compiler": "^18.1.4", "@angular/core": "^18.1.4", "@angular/forms": "^18.1.4", "@angular/platform-browser": "^18.1.4", "@angular/platform-browser-dynamic": "^18.1.4", "@angular/router": "^18.1.4", "rxjs": "~7.8.0", "tslib": "^2.3.0", "zone.js": "~0.14.10"}Project StructureFolder StructureExample: Create the required files as seen in the folder structure and add the following codes. HTML <!--app.component.html--> <app-coin-flip></app-coin-flip> HTML <!--coin-flip.component.html--> <div class="coin-container"> <h1>GeeksforGeeks</h1> <h3>Coin flipping app using Angular</h3> <div class="coin" [ngClass]="{'flipping': isFlipping}"> <img [src]="coinImage" alt="Coin" /> </div> <button (click)="flipCoin()" [disabled]="isFlipping">Flip Coin</button> <div *ngIf="result && !isFlipping"> <h2>The result is: {{ result }}</h2> </div> </div> CSS /*/// coin-flip.component.css*/ .coin-container { text-align: center; margin-top: 50px; } .coin { width: 100px; height: 100px; margin: 20px auto; transition: transform 3s; } .coin img { width: 100%; height: 100%; } .coin.flipping { animation: flip 3s; } @keyframes flip { 0% { transform: rotateY(0deg); } 100% { transform: rotateY(3600deg); } } button { padding: 10px 20px; font-size: 16px; cursor: pointer; } h2 { margin-top: 20px; font-size: 24px; } h1 { color: green; font-size: 36px; margin-top: 30px; } h3 { font-size: 24px; margin-top: 10px; } @media (max-width: 600px) { .coin { width: 80px; height: 80px; } button { font-size: 14px; padding: 8px 16px; } h2 { font-size: 20px; } h1, h3 { font-size: 20px; } } JavaScript // app.module.ts import { NgModule } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { AppRoutingModule } from './app-routing.module'; import { AppComponent } from './app.component'; import { CoinFlipComponent } from './coin-flip/coin-flip.component'; @NgModule({ declarations: [ AppComponent, CoinFlipComponent ], imports: [ BrowserModule, AppRoutingModule ], providers: [], bootstrap: [AppComponent] }) export class AppModule { } JavaScript /// coin-flip.component.ts import { Component } from '@angular/core'; @Component({ selector: 'app-coin-flip', templateUrl: './coin-flip.component.html', styleUrls: ['./coin-flip.component.css'] }) export class CoinFlipComponent { isFlipping = false; result: string | null = null; coinImage ='https://media.geeksforgeeks.org/wp-content/uploads/20231016151817/heads.png'; private flipDuration = 3000; flipCoin() { if (this.isFlipping) return; this.isFlipping = true; this.result = null; this.coinImage = 'https://media.geeksforgeeks.org/wp-content/uploads/20231016151817/heads.png'; setTimeout(() => { const isHeads = Math.random() < 0.5; this.coinImage = isHeads ? 'https://media.geeksforgeeks.org/wp-content/uploads/20231016151817/heads.png' : 'https://media.geeksforgeeks.org/wp-content/uploads/20231016151806/tails.png'; this.result = isHeads ? 'Heads' : 'Tails'; this.isFlipping = false; }, this.flipDuration); } } JavaScript /// coin-flip.component.spec.ts import { ComponentFixture, TestBed } from '@angular/core/testing'; import { CoinFlipComponent } from './coin-flip.component'; describe('CoinFlipComponent', () => { let component: CoinFlipComponent; let fixture: ComponentFixture<CoinFlipComponent>; beforeEach(() => { TestBed.configureTestingModule({ declarations: [CoinFlipComponent] }); fixture = TestBed.createComponent(CoinFlipComponent); component = fixture.componentInstance; fixture.detectChanges(); }); it('should create', () => { expect(component).toBeTruthy(); }); }); Steps to Run the ApplicationOpen the terminal, run this command from your root directory to start the applicationng serve --openOpen your browser and navigate to http://localhost:4200Output Comment More infoAdvertise with us Next Article Introduction to AngularJS A anjalibo6rb0 Follow Improve Article Tags : Web Technologies AngularJS Angular-Projects Similar Reads AngularJS BasicsAngularJS TutorialAngularJS is a free and open-source JavaScript framework that helps developers build modern web applications. 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