User:Acagastya/copyTitle.js

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(function copyTitle() {
  if(mw.config.get('wgNamespaceNumber') != 6) return;
  const el = document.createElement('textarea');
  const str = document.getElementById('firstHeading').innerHTML.replace('File:', '').replace(/\..*$/, '');
  el.value = str;
  document.body.appendChild(el);
  el.select();
  document.execCommand('copy');
  document.body.removeChild(el);
})();