JSFiddle - React, Tailwind, and code Playground

HTML

<table>
  <tbody class="iteration">
    <tr>
      <td>
        <button class="save">More</button>
      </td>
      <td>
        <div class="cruisedropd">
          <div class="loading"></div>
        </div>
      </td>
    </tr>
  </tbody>
  <tbody class="iteration">
    <tr>
      <td>
        <button class="save">More</button>
      </td>
      <td>
        <div class="cruisedropd">
          <div class="loading"></div>
        </div>
      </td>
    </tr>
  </tbody>
</table>

JavaScript

$(function(){
        $(".cruisedropd").hide();
        $('.save').click(function () {
            var $self = $(this);
            $self.text() == "More" ? $self.text('Hide') : $self.text('More');
            
            var parent = $(this).closest("tbody.iteration");
            $(parent).block({ message: null }); 

            parent.toggleClass('is_loading',  parent.hasClass('is_loading') );
            parent.find(".cruisedropd").toggle();
            parent.find('.loading').html("work");

        });


    });