goquery Get Number of Children Nodes

Get the number of children nodes via goquery in Golang (Go programming language).

Get the number of all children nodes - Use Contents() method
Get the number of element children nodes - Use Children() method

$ go get -u github.com/PuerkitoBio/goquery

Source code:

node.go | repository | view raw

package main

import (
	"github.com/PuerkitoBio/goquery"
	"strings"
)

const html = `<html>
  <head>
    <title>traverse</title>
  </head>
  <body>
    <div>
      Hello
      <span>World</span>
      <!-- Goquery -->
    </div>
  </body>
</html>`

func NumberOfChild(s *goquery.Selection) int {
	return s.Contents().Length()
	//return s.Contents().Size()
}

func NumberOfElementChild(s *goquery.Selection) int {
	return s.Children().Length()
	//return s.Children().Size()
}

func main() {
	doc, err := goquery.NewDocumentFromReader(strings.NewReader(html))
	if err != nil {
		panic(err)
	}

	println(NumberOfChild(doc.Find("div")))
	println(NumberOfElementChild(doc.Find("div")))
}

Output:

5
1

Tested on: Ubuntu Linux 16.04, Go 1.6.2.

References:

[1]	GitHub - PuerkitoBio/goquery: A little like that j-thing, only in Go. Tips and tricks · PuerkitoBio/goquery Wiki · GitHub

[2]	github.com/PuerkitoBio/goquery - GoDoc