X: collapse long tweets
Clamps very long tweets to a fixed height and expands them on click, for a calmer timeline.
Code to copy
// Collapse long tweets behind a click-to-expand toggle for a calmer timeline
function clampTweets() {
document.querySelectorAll('[data-testid="tweetText"]').forEach(function (t) {
if (t.dataset.jzClamped) { return; }
if (t.scrollHeight > 220) {
t.dataset.jzClamped = '1';
t.style.maxHeight = '200px';
t.style.overflow = 'hidden';
t.style.cursor = 'pointer';
t.title = 'Click to expand';
t.addEventListener('click', function (e) {
if (t.style.maxHeight) {
t.style.maxHeight = '';
t.style.overflow = '';
e.stopPropagation();
}
}, true);
}
});
}
clampTweets();
const obs = new MutationObserver(clampTweets);
obs.observe(document.documentElement, { childList: true, subtree: true });How to use this example
- Copy the code with the button above.
- Install JustZix (2 minutes) and open the extension on the target page.
- Add a new rule matching that page.
- Paste the code into the rule's JavaScript panel and save — it runs on every page visit.
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