download mp3 from archiveorg.js

const links = Array.from(document.querySelectorAll('a[href$=".mp3"]'))
  .map(a => a.href)
  .join('\n');

const blob = new Blob([links], { type: 'text/plain' });
const url = URL.createObjectURL(blob);

const a = document.createElement('a');
a.href = url;
a.download = 'mp3-links.txt';
document.body.appendChild(a);
a.click();

document.body.removeChild(a);
URL.revokeObjectURL(url);