papa parse. upload parse and populate list

papaparseuploadpopulate.js

//parse and populate list
  function handleFileSelect(e) {
    var file = e.target.files[0];

    Papa.parse(file, {
      header: true,
      dynamictyping: true,
      complete: function (results) {
        parsed = results; //remove on prod

        //generate list
        $.each(results.data[0], function (key, val) {
          $('#pool').append('<li class="list-group-item">' + val + '</li>');
        });
        onFileSelected();
      },
      error: function (err) {
        alert(err);
      }
    });
  }