code: function () {
      var date = new Date();
      var dateStr = '';
      var day = date.getDate();
      var month = date.getMonth();
  
      month = (month+'').length === 1 ? '0' + month : month;
      day = (day+'').length === 1 ? '0' + day : day;
  
      dateStr += month + '_';
      dateStr += day + '_';
      dateStr += date.getFullYear();
  
      return dateStr;
    }
docs: Return the formatted date
  
  @method _parseDate
  @return {string} Date
  @private