Scrape TikTok captions

captions.js

(() => {
  const matchingDivs = Array.from(document.querySelectorAll('div')).filter(div =>
    Array.from(div.classList).some(cls =>
      ['DivDescriptionContentContainer', 'DivDesContainer', 'DivVideoDescription'].some(sub => cls.includes(sub))
    )
  );

  const lines = matchingDivs.map(div =>
    `"${div.innerText.trim().replace(/"/g, '""')}"`
  );

  const proceed = confirm(`Found ${lines.length} captions. Do you want to download them as CSV?`);
  if (!proceed) return;

  const content = `text,label\n${lines.join('\n')}`;
  const blob = new Blob([content], { type: 'text/csv;charset=utf-8;' });

  const link = document.createElement('a');
  link.href = URL.createObjectURL(blob);
  link.download = 'data.csv';

  document.body.appendChild(link); // Required for Firefox
  link.click();
  document.body.removeChild(link);
})();