Structural: *ngSwitch

<div [ngSwitch]="userRole">
  <p *ngSwitchCase="'admin'">👑 Admin Dashboard</p>
  <p *ngSwitchCase="'editor'">✏️ Editor Panel</p>
  <p *ngSwitchCase="'viewer'">👀 Viewer Mode</p>
  <p *ngSwitchDefault>🔒 Access Denied</p>
</div>

// component.ts
export class MyComponent {
  userRole = 'editor';
}