title: display the records with status "completed = true" using the selector in angular
body: <p>Initially my all the record with status true &amp; false should display ,and upon using the condition in selector,it should show record with completed= true . How to use an input condition in selector, that it should show the record only &quot;with completed = true&quot;?
  please find the example.</p>
  <p><a href="https://stackblitz.com/edit/angular-dropdown-tt1nwd?file=app%2Fdropdown.component.ts" rel="nofollow noreferrer">https://stackblitz.com/edit/angular-dropdown-tt1nwd?file=app%2Fdropdown.component.ts</a></p>