Angular-da aýlawyň jübüt iterasiýasy

*ngFor we @for arkaly aýlanylanda, aýlawyň jübüt iterasiýasyny even üýtgeýjisi arkaly kesgitlemek mümkin.

*ngFor direktiwasy üçin mysal:

app/app.component.html<ul>
  <li *ngFor="let el of arr; let even = even">
    {{ even ? 'jübüt' : 'däl' }}
    {{ el }}
  </li>
</ul>

@for gurluşy üçin mysal:

app/app.component.html<ul>
  @for (el of arr; track $index) {
    <li>
      {{ $even ? 'jübüt' : 'däl' }}
      {{ el }}
    </li>
  }
</ul>

app/app.component.tsexport class AppComponent {
  public arr: string[] = ['a', 'b', 'c', 'd'];
}