Trello: hide checked checklist items
Hides already-checked checklist items in the open card, leaving only outstanding tasks.
Code to copy
// Hide already-checked checklist items inside the open card
function hideCheckedItems() {
document.querySelectorAll('.checklist-item.checklist-item-state-complete, [data-testid="check-item"][data-checked="true"]')
.forEach(function (item) { item.style.display = 'none'; });
}
hideCheckedItems();
const obs = new MutationObserver(hideCheckedItems);
obs.observe(document.body, { 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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