How to select a distant parent from a child (button element) nested deep inside a div?

I’m trying to select the form element which is the distant parent of a button. The button is deeply nested inside of a div. I have two type of forms in two pages so I’m using the same event for both of them. That’s why I’m using bother the selectors separated by a comma.

$('.createForm, .editForm').on('click', '.delete-btn', function() {
  console.log($(this))
});

.delete-btn{
  background-color: red;
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<form action="/submit" method="POST" class="editForm">

  <div class="form-group">
    <div class="d-flex ">
      ....some elements
    </div>
  </div>

  <div class="form-group">
    ....some elements
  </div>

  <div class="form-group">
    ....some elements
  </div>

  <div class="form-group">
    <div>
      <div></div>

      <div>
        <div class="post-container">
          <textarea></textarea>
          <button type="button" class="delete-btn">Test</button>
        </div>
      </div>

      <div></div>
    </div>
  </div>
</form>

What I tried so far:

1. console.log( $( this ).parent() );
2. console.log( $( this ).parent( 'form' ) );

3. console.log( $( this ).parents() );
4. console.log( $( this ).parents( 'form' ) );

5. console.log( $( this ).parentsUntil() );
6. console.log( $( this ).parentsUntil( 'form' ) );

7. console.log( $( this ).parent().parent().parent().parent() );

8. console.log( $( this ).closest( 'form' ) );

Please note that the same jQuery code works when I use an input element instead of a button. Although the input element is one level out of a div than the button.

Answer

This is the correct working code

$('body form').hasClass('.editForm')