parse

func Anchors(node *html.Node) (result []*html.Node)

func BytesToHtmlNode(s []byte) (node *html.Node, err error)

func Elements(node *html.Node) (result []*html.Node)

func Href(anchor *html.Node) (attr html.Attribute, err error)

func NodeIter(node *html.Node, filter func(*html.Node) bool) (result []*html.Node)

func NodeIterHelper(node *html.Node, elements chan *html.Node, filter func(*html.Node) bool)

func ValidHrefs(anchors []*html.Node) (hrefs []string, errs []error)