Extract Unique Youtube URL from Given Page or Playlist Page with Jquery

download.sh

// download audio files and convert them to mp3

cat links.txt | xargs -n1 -P2 youtube-dl --extract-audio --audio-format mp3 --audio-quality 9 

extractUrl.js

function extractUrl() {
  const links =  $("a[href^='/watch?v=']").map((_, el) => el.href.split("&")[0]).toArray()
  const uniqueLinks = Array.from(new Set(links))
  return uniqueLinks
}