h3 ol#bonfireList script. var getLinkedName = function getLinkedName(name) { return name.toLowerCase().replace(/\s/g, '-'); } $.ajax({ url: '/bonfires/getBonfireList', type: 'GET' }) .success( function(data) { for (var i = 0; i < data.bonfireList.length; i++) { var li = document.createElement('li'); var linkedName = getLinkedName(data.bonfireList[i].name); if (R.contains(data.bonfireList[i]._id, data.completedList)) { $(li).addClass('strikethrough'); } $(li).html("" + data.bonfireList[i].name + ""); $(li).appendTo($('#bonfireList')); } });