tokeninzer.go

func main() {
f, err := os.Open("index.html")
	if err != nil {
		log.Fatal(err)
	}
	z := html.NewTokenizer(f)
	for {
		tt := z.Next()

		switch tt {
		case html.ErrorToken:
			return

		case html.SelfClosingTagToken:
		case html.StartTagToken:
			token := z.Token()
			if token.Data == "a" {
				tt = z.Next()
				if tt == html.TextToken {
					fmt.Println(token)
				}
			}
		}
	}
}