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main.ts

index.html

import { bootstrapApplication } from '@angular/platform-browser';
import { Component } from '@angular/core';

@Component({
  selector: 'app-root',
  standalone: true,
  template: `
    <h3>Events</h3>
    <p>Count: {{ count }}</p>
    <button (click)="increment()">Click me</button>

    <div style="margin-top:12px">
      <input placeholder="Type..." (input)="onInput($event)" (keyup)="lastKey = $any($event).key">
      <p>Value: {{ value }}</p>
      <p>Last key: {{ lastKey }}</p>
    </div>
  `
})
export class App {
  count = 0;
  value = '';
  lastKey = '';

  increment() { this.count++; }
  onInput(e) { this.value = (e && e.target && e.target.value) || ''; }
}

bootstrapApplication(App);

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Angular Events</title>
</head>
<body>
  <app-root></app-root>
</body>
</html>