anchor.diff:        <div class="Slider">
           <div class="Slider__value"></div>
           <div class="Slider__control" data-config="<%= { start: 0, step: 10, connect: [true, false], range: { min: 0, max: 420 }, unit: 'mins' }.to_json %>">
  -          <input type="hidden" name="step[duration]" value="" />
  +          <input type="hidden" name="step[duration]" value="<%= @step_obj.duration %>" />
           </div>
         </div>
       </div>
  
positive.code:     </div>
  
      <div class="FormField__input">
        <input type="text" name="step[name]" class="Input Input--large" required />
      </div>
  
    </div>
  
negative.code:     </div>
  
      <div class="FormField__input FormField__input--multiple">
        <input type="url" name="step[external_links][]" class="Input Input--multiple" value="" placeholder="+ Add a new URL" id="step_external_links_1" data-values="<%= @step_obj.external_links.to_json %>" />
      </div>
  
    </div>
  