$(document).off('click','.batch-btn').on('click', '.batch-btn', function() { const dtable = zui.DTable.query($(this).target); const checkedList = dtable.$.getChecks(); if(!checkedList.length) return; const form = new FormData(); checkedList.forEach((id) => form.append('tasks[]', id)); postAndLoadPage($(this).data('url'), form); });