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ChatGPT: focus on the latest reply

Hides earlier messages and keeps only the latest question-answer pair for full focus.

Code to copy

// Hide everything except the latest assistant reply
(function () {
  var turns = document.querySelectorAll('article:has([data-message-author-role])');
  if (!turns.length) turns = document.querySelectorAll('[data-message-author-role]');
  turns.forEach(function (t, i) {
    t.style.display = (i >= turns.length - 2) ? '' : 'none';
  });
})();

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. Paste the code into the rule's JavaScript panel and save — it runs on every page visit.