anchor.diff:          async: true,
           type: "POST",
           url: "<%= url_for "/deassign_task" %>",
  -        data: { project: project_key, task_id: ui.item.attr('id') },
  +        data: { project: project_key, task_id: ui.item.data('id') },
           dataType: 'json',
         })
     })
  
positive.code: add_followee_html = (project_key, staff_id, staff_name, task_name) ->
    # copy element
    new_followee = $('#followee-template').clone()
    new_followee.attr('id', staff_id)
    new_followee.find('.followee-name > .name').text(staff_name)
    new_followee.show()
  
  
negative.code: add_task_html = (id, name) ->
    # copy element
    new_task = $('#task-template').clone()
    new_task.attr('id', 'task_' + id)
    new_task.data('id', id)
    new_task.find('.name').text(name)
    new_task.show()
  
  