MediaWiki:RowToggle.js

mw.hook('wikipage.content').add(function () {
    document.querySelectorAll('.toggle-rows tbody tr').forEach(function (row) {
        row.style.cursor = 'pointer';

        var rowId = row.getAttribute('data-row-id');

        if (rowId && localStorage.getItem('toggle-row-' + rowId) === '1') {
            row.classList.add('toggle-row-complete');
        }

        row.addEventListener('click', function () {
            row.classList.toggle('toggle-row-complete');
            if (rowId) {
                var isComplete = row.classList.contains('toggle-row-complete');
                localStorage.setItem('toggle-row-' + rowId, isComplete ? '1' : '0');
            }
        });
    });
});