anchor.diff:      function extractLast( term ) {
         return split( term ).pop();
       }
  -
  -    $( "#keyword" )
  +    $('#keyword').unbind('blur');
  +    $('#keyword')
         // don't navigate away from the field on tab when selecting an item
         .bind( "keydown", function( event ) {
           if ( event.keyCode === $.ui.keyCode.TAB &&
  
positive.code: <div id="js-keywords__container" class="js-keywords_list c-keywords__container">
    <% subjects.each do |subject| %>
      <span class="c-keywords__keyword">
        <%= subject.subject %><span class="delete_keyword"><%=link_to '', stash_datacite.subjects_delete_path(subject.id, resource_id: resource_id), method: :delete, remote: true, data: { confirm: 'Are you sure?' }, class: 'c-keywords__keyword-remove' %></span>
      </span>
    <% end %>
    <%= text_field_tag('subject' , nil, { id: 'keyword', class: 'js-keywords__input c-keywords__input' }) %>
  
negative.code:       // $('.js-keywords__input').blur(function(){
        //   $('#js-keywords__container').attr('class', 'c-keywords__container--has-blur');
        // });
  
    });
    </script>