browser.runtime.onMessage.addListener((data, sender, sendResponse) => {
  console.log("Content script : " + data.command)
  deezerTitle = document.getElementsByClassName('track-link')[0].innerHTML
  deezerArtist = document.getElementsByClassName('track-link')[1].innerHTML
  sendResponse({title: deezerTitle, artist: deezerArtist})
});

console.log("Content script loaded")