html/example_test.go

// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build go1.23

// This example demonstrates parsing HTML data and walking the resulting tree.
package html_test

import (
	"fmt"
	"log"
	"strings"

	"golang.org/x/net/html"
	"golang.org/x/net/html/atom"
)

func ExampleParse() {
	s := `<p>Links:</p><ul><li><a href="foo">Foo</a><li><a href="/bar/baz">BarBaz</a></ul>`
	doc, err := html.Parse(strings.NewReader(s))
	if err != nil {
		log.Fatal(err)
	}
	for n := range doc.Descendants() {
		if n.Type == html.ElementNode && n.DataAtom == atom.A {
			for _, a := range n.Attr {
				if a.Key == "href" {
					fmt.Println(a.Val)
					break
				}
			}
		}
	}

	// Output:
	// foo
	// /bar/baz
}