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ChatGPT: copy the last code block

Copies the contents of the last code block in the current conversation to the clipboard.

Code to copy

(function () {
  var blocks = document.querySelectorAll('pre code');
  if (!blocks.length) { alert('No code block found in this chat.'); return; }
  var last = blocks[blocks.length - 1];
  navigator.clipboard.writeText(last.innerText || '').then(function () {
    alert('Copied the last code block.');
  }, function () { alert('Could not access the clipboard.'); });
})();

How to use this example

1. Copy the code with the button above.
2. Install JustZix (2 minutes) and open the extension on the target page.
3. Add a new rule matching that page.
4. Enable the action panel, add a button in the Actions tab and paste the code into it — run it with one click.