code: function () {
  			var renderer = this;
  
  			// Remove the canvas
  			discardElement(renderer.canvas);
  
  			// Kill the timer
  			if (renderer.ttTimer !== UNDEFINED) {
  				clearTimeout(renderer.ttTimer);
  			}
  
  			// Remove the divs for tooltip and line
  			discardElement(renderer.ttLine);
  			discardElement(renderer.ttDiv);
  			discardElement(renderer.hiddenSvg);
  
  			// Continue with base class
  			return SVGRenderer.prototype.destroy.apply(renderer);
  		}
docs: Extend SVGRenderer.destroy to also destroy the elements added by CanVGRenderer.