s1eepercat
3/13/2020 - 8:55 AM

Angular: let a of a; index as i; passing params to an input child

a1.js
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    <app-expandable-panel *ngFor="let topic of questions; index as i;" [summary]="topic.question"
        [content]="topic.answer" [open]="topic.open" (click)="expandPanel(i)">
    </app-expandable-panel>