title: uncaught typeerror cannot read property 'split' of undefined
body: <p>I'm getting uncaught typeerror cannot read property 'split' of undefined error for below code
  Can anyone please help why I'm getting this . thanks</p>
  
  <pre><code>$("#registration_date1, #registration_date2, #last_login1, #last_login2, #expiry_date, #status, #role," +
  
          " div#userTable_filter :input").bind("keyup change", function () {
  
      var userIds = [];
      var data = $('#userTable').dataTable().fnSettings().aiDisplay;
      var allData = $('#userTable').dataTable().fnSettings().aoData;
  
      $.each(data, function (i, val) {
          var url = allData[val]._aData[allData[val]._aData.length - 1];
          var userId = url.split('/')[3].split('"')[0];
          userIds.push(userId);
      });
  </code></pre>