code: function(name, childValue, attributes) {
          var node = this.createElementNS(
              this.namespaces[this.defaultPrefix],
              name
          );
          if(childValue) {
              node.appendChild(this.createTextNode(childValue));
          }
          if(attributes) {
              this.setAttributes(node, attributes);
          }
          return node;
      }
docs: Method: createElementDefaultNS
  Shorthand for createElementNS with namespace from <defaultPrefix>.
  Can optionally be used to set attributes and a text child value.
  
  Parameters:
  name - {String} The qualified node name.
  childValue - {String} Optional value for text child node.
  attributes - {Object} Optional object representing attributes.
  
  Returns:
  {Element} An element node.