htmlx

htmlx is a library which provides a set of extensions on go's golang.org/x/net/html library.

// parse html file
doc, err := htmlx.Load("test.html")
if err != nil {
    panic(err)
}

div := doc.Find(htmlx.ID("test"))
for _, a := range div.FindAll(htmlx.TagName("a")) {
    if href, ok := a.Attr("href"); ok {
        fmt.Println(href)
    }
}

err = div.SetHTML(`<em>no links</em>`)
if err != nil {
    panic(err)
}
fmt.Println("html:", div)