code: function clone(node, noChildren){
      var result = node.cloneNode(!noChildren);
      if (result.attachEvent) // clear event handlers for IE
        axis(result, AXIS_DESCENDANT_OR_SELF).forEach(eventUtils.clearHandlers);
      return result;
    }
docs: Clone node.
  @param {Node} node
  @param {boolean} noChildren If true than clone only node with no children.
  @return {Node}