Telegram: mark long messages
Adds a subtle coloured border to messages longer than 280 characters so they are easy to find.
Code to copy
// Add a subtle left border to long messages so they are easy to spot
function markLong() {
const msgs = document.querySelectorAll('.bubbles .bubble .message, .Message .text-content');
msgs.forEach(function (m) {
if (!m.dataset.jzMarked && (m.textContent || '').length > 280) {
m.dataset.jzMarked = '1';
m.style.borderLeft = '3px solid rgba(90,160,255,0.6)';
m.style.paddingLeft = '8px';
}
});
}
markLong();
const obs = new MutationObserver(markLong);
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.
Rate this example
No ratings yet — be the first.