gistfile1.txt

Counter.prototype.del = function(target){
  var self = this;
  var tr = $(target).closest('tr');
  var undo = tr.find('.undo-button');
  undo.css('display', 'block');
  
  undo.one('click', function () {
    clearTimeout(timeout);
    undo.css('display', 'none');
  })
  var timeout = setTimeout(function () {
    showNoti();
    var tr = $(target).closest('tr');
    tr.remove();
    self.updateView();
  }, 10000);
};