code: function() {
  
  		var name;
  
  		for (name in this._property_bindings) {
  
  			this._property_bindings[name].destroy();
  
  		}
  
  		for (name in this._style_bindings) {
  
  			this._style_bindings[name].destroy();
  
  		}
  
  		for (name in this._class_bindings) {
  
  			this._class_bindings[name].destroy();
  
  		}
  
  	}
docs: Free resources and make this instance unusable