code: function() {
  			var self = this;
  	
  			self.setTextboxValue('');
  			self.$control_input.css({opacity: 0, position: 'absolute', left: self.rtl ? 10000 : -10000});
  			self.isInputHidden = true;
  		}
docs: Hides the input element out of view, while
  retaining its focus.