whole_func_string: function() {
          var me = this,
              delimiter = me.delimiter,
              val = me.getValue();
          
          return Ext.isString(delimiter) ? val.join(delimiter) : val;
      }
func_code_string: function() {
          var me = this,
              delimiter = me.delimiter,
              val = me.getValue();
          
          return Ext.isString(delimiter) ? val.join(delimiter) : val;
      }
func_documentation_string: Returns the value that would be included in a standard form submit for this field.
  
  @return {String} The value to be submitted, or `null`.