code: function() {
  			var parent;
  			if (this.domNode.tooltip) {
  				this.domNode.tooltip.destroy();
  				this.domNode.tooltip = null;
  			}
  			if (this.domNode) {
  				parent = this.domNode.parentNode;
  				if (parent) parent.removeChild(this.domNode);
  				this.domNode = null;
  			}
  			if (this._contentParent) {
  				parent = this._contentParent.parentNode;
  				if (parent) parent.removeChild(this._contentParent);
  				this._contentParent = null;
  			}
  			if (this._sectionContainer) {
  				parent = this._sectionContainer.parentNode;
  				if (parent) parent.removeChild(this._sectionContainer);
  				this._sectionContainer = null;
  			}
  		}
docs: Destroy the section by removing the title and content from the parent.