Web Scraping with Golang

main.go

package main

import (
	"context"
	"log"

	"github.com/chromedp/chromedp"
)

func main() {
	ctx, cancel := chromedp.NewContext(
		context.Background(),
		chromedp.WithLogf(log.Printf),
	)
	defer cancel()

	var result string
	err := chromedp.Run(ctx,
		chromedp.Navigate(`https://golang.org/pkg/time/#example_Date`),
		chromedp.WaitVisible(`body > footer`),
		chromedp.Click(`
		#example_Date > 
		  div.expanded > 
		    div > 
		      div.buttons > 
		        button.Button.Button--primary.run`,
			chromedp.NodeVisible),
		chromedp.WaitVisible(`
		#example_Date > 
		  div.expanded > 
		    div > 
		      div.output > 
		        pre > 
		          span.system`),
		chromedp.Text(`
		#example_Date > 
		  div.expanded > 
		    div > 
		      div.output > 
		        pre > 
		          span.stdout`,
			&result),
		chromedp.Stop(),
	)
	if err != nil {
		log.Println(err)
		return
	}
	log.Printf("result %q", result)
}