code: function (renderer, nodeName) {
  		var wrapper = this;
  		wrapper.element = nodeName === 'span' ?
  			createElement(nodeName) :
  			doc.createElementNS(SVG_NS, nodeName);
  		wrapper.renderer = renderer;
  		/**
  		 * A collection of attribute setters. These methods, if defined, are called right before a certain
  		 * attribute is set on an element wrapper. Returning false prevents the default attribute
  		 * setter to run. Returning a value causes the default setter to set that value. Used in
  		 * Renderer.label.
  		 */
  		wrapper.attrSetters = {};
  	}
docs: Initialize the SVG renderer
  @param {Object} renderer
  @param {String} nodeName