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🅰️ Learn AngularMaster Angular 18+ Standalone Components & Reactive Signals

TSmain.ts

14px

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

@Component({
  selector: 'app-root',
  standalone: true,
  template: `
    <div class="ng-card">
      <div class="ng-badge">🅰️ Angular Standalone Component</div>
      <h2 style="font-size: 1.4rem; font-weight: 800; margin-bottom: 8px;">Angular 18 Signals Demo</h2>
      <p style="color: #94a3b8; font-size: 0.9rem; margin-bottom: 16px;">
        Learning Simplified — Reactive State in Angular
      </p>

<div class="ng-counter" id="counterDisplay">
        Count: 0
      </div>

<div style="margin-bottom: 16px;">
        <button class="ng-btn" onclick="increment()">+ Increment</button>
        <button class="ng-btn ng-btn-secondary" onclick="decrement()">- Decrement</button>
        <button class="ng-btn ng-btn-secondary" onclick="reset()">↺ Reset</button>
      </div>

<input
        type="text"
        class="ng-input"
        placeholder="Type to test reactive two-way binding..."
        oninput="updateName(this.value)"
      />
      <p id="greetingText" style="color: #38bdf8; font-size: 0.95rem; font-weight: 600; margin-top: 8px;"></p>
    </div>
  `,
  styles: [`
    .ng-card { background: #1e293b; border: 1px solid #334155; border-radius: 14px; padding: 24px; max-width: 460px; margin: 0 auto; text-align: center; color: #fff; }
    .ng-counter { font-size: 2.2rem; font-weight: 800; color: #38bdf8; margin: 12px 0; }
  `]
})
export class App {
  count = signal(0);
  name = signal('');

increment() {
    this.count.update(v => v + 1);
  }

decrement() {
    this.count.update(v => v - 1);
  }

reset() {
    this.count.set(0);
  }
}

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🅰️Angular 18+ Standalone

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Standalone Component with Signals

@Component({
  selector: 'app-root',
  standalone: true,
  template: `<h1>Hello Angular 18!</h1>`
})
export class App {}

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Yes! Our compiler sandbox supports modern Angular 18+ standalone component structure with reactive UI rendering.

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Online Angular 18+ Standalone Component Playground

Explore modern Angular standalone components, signals, and directives with instant in-browser live rendering.

⚡

Instant Zero-Setup Execution

Run code immediately in your browser with zero downloads, installation, or environment setup.

⌨️

Interactive Standard Input (stdin)

Full support for interactive scanners, terminal arguments, and multi-line user inputs.

🤖

AI Error Diagnosis & 1-Click Fixes

Get instant What • Why • How error explanations and auto-apply fixes directly into your editor.

🔗

1-Click Code Sharing

Generate instant shareable URLs to collaborate with teammates, classmates, or instructors.

⚡ Online Angular Compiler

Online Angular 18+ Standalone Component Playground

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📖Angular Quick Syntax Reference

❓Frequently Asked Questions about Online Angular Compiler

⚡ Online Angular Compiler

Online Angular 18+ Standalone Component Playground

Ready to Master Angular? Learn with Structured Lessons

Angular 18+ Masterclass

📖Angular Quick Syntax Reference

❓Frequently Asked Questions about Online Angular Compiler