drag and drop angular 11 material example

Example 1: angular material drag and drop not working

// what i did was just to restart angular compiler.

Example 2: drag and drop angular

<div cdkDropList class="example-list" (cdkDropListDropped)="drop($event)">
  <div class="example-box" *ngFor="let movie of movies" cdkDrag>{{movie}}</div>
</div>