anchor.diff:            html_string +="<a class='delete_button' href='/todo_items/delete/#{todo_item['_id']}' data-id='#{todo_item['_id']}'>Delete</a></li>"
             html_string
   
  +
  +      updateTitle = (form, evt) ->
  +        $(form).replaceWith "<span class='item'>#{$(evt.currentTarget).val()}</span>"
  +        $.post form.action,
  +          $(form).serialize()
  +
         $("#todo_items").on "blur", "#title_edit_field", (evt) ->
  -          $(this.form).replaceWith "<span class='item'>#{$(evt.currentTarget).val()}</span>"
  +        updateTitle(this.form, evt)
  +
  +      $("#todo_items").on "submit", "#edit_title", (evt) ->
  +        evt.preventDefault()
  +        updateTitle(this, evt)
   
         $('#new_item_form').on 'submit', (evt) ->
           $.post "/todo_items/create",
  
positive.code:           (data) ->
              $("##{data.item_id}").remove() 
  
          false
negative.code:       function openForm(evt){
          console.log(evt)  
          $(evt.currentTarget).replaceWith("\
            <form id='edit_title' action='/todo_items/update/"+$(evt.currentTarget).attr('data-id')+"' method='post'> \
            <input id='title_edit_field' type='text' value='"+$(evt.currentTarget).text()+"' name='todo_title'/> \
            ");
          $("#title_edit_field").focus();
        }
  
        function submitNewTitle(evt){
  