Extract all URLs from a webpage

extract_urls.js

// How to use
// Paste this script into Developer Console to run it
// Ref: https://www.datablist.com/learn/scraping/extract-urls-from-webpage

const results = [
  ['Url', 'Anchor Text', 'External']
];
var urls = document.getElementsByTagName('a');
for (urlIndex in urls) {
  const url = urls[urlIndex]
  const externalLink = url.host !== window.location.host
  if(url.href && url.href.indexOf('://')!==-1) results.push([url.href, url.text, externalLink]) // url.rel
}
const csvContent = results.map((line)=>{
  return line.map((cell)=>{
    if(typeof(cell)==='boolean') return cell ? 'TRUE': 'FALSE'
    if(!cell) return ''
    let value = cell.replace(/[\f\n\v]*\n\s*/g, "\n").replace(/[\t\f ]+/g, ' ');
    value = value.replace(/\t/g, ' ').trim();
    return `"${value}"`
  }).join('\t')
}).join("\n");
console.log(csvContent)