Function cloneNode

manipulation.go:606–620

Deep copy a node. The new node has clones of all the original node's children but none of its parents or siblings.

(n *html.Node)

// Deep copy a node. The new node has clones of all the original node's
// children but none of its parents or siblings.
func cloneNode(n *html.Node) *html.Node {
	nn := &html.Node{
		Type:     n.Type,
		DataAtom: n.DataAtom,
		Data:     n.Data,
		Attr:     make([]html.Attribute, len(n.Attr)),
	}

	copy(nn.Attr, n.Attr)
	for c := n.FirstChild; c != nil; c = c.NextSibling {
		nn.AppendChild(cloneNode(c))
	}

	return nn
}

func (s *Selection) manipulateNodes(ns []*html.Node, reverse bool,
	f func(sn *html.Node, n *html.Node)) *Selection {