anchor.diff:      <% end %>
     </div>
   </div>
  -</div>+</div>
  +
  +<script>
  +$(function () {
  +  $('#parcel_weight').change(function(){
  +    var weightValue = $('#parcel_weight').val();
  +    $('#grab').html(weightValue);
  +  })
  +});
  +</script>
positive.code:             <% if  %>
                <%= text_field_tag "parcel[volume]", nil, class: "form-control input-md", placeholder: @volume %>
              <% else %>
                <%= text_field_tag "parcel[volume]", @volume, class: "form-control input-md" %>
              <% end %>
            </div>
          </div>
  
negative.code:           </div>
          </div>
          <div class="form-group">
            <label id="weight">Weight: <span id="grab"></span></label>
            <div class="col-md-8">
              <% if @parcel_id %>
                <%= text_field_tag "parcel[weight]", nil, class: "form-control input-md", placeholder: @weight %>
              <% else %>
                <%= range_field_tag "parcel[weight]", @weight, class: "form-control input-md", :placeholder => "Weight (Lbs)", min: 1, max: 300 %>
              <% end %>
            </div>
          </div>
  