text: function load_jurusan() {
      $('#jurusan').find('option').not(':first').remove();
  
      $.getJSON(base_url+'jurusan/load_jurusan', function (data) {
          var option = [];
          for (let i = 0; i < data.length; i++) {
              option.push({
                  id: data[i].id_jurusan,
                  text: data[i].nama_jurusan
              });
          }
          $('#jurusan').select2({
              data: option
          })
      });
  }
  
  function load_kelas(id) {
      $('#kelas').find('option').not(':first').remove();
  
      $.getJSON(base_url+'kelas/kelas_by_jurusan/' + id, function (data) {
          var option = [];
          for (let i = 0; i < data.length; i++) {
              option.push({
                  id: data[i].id_kelas,
                  text: data[i].nama_kelas
              });
          }
          $('#kelas').select2({
              data: option
          });
      });
  }
  
  $(document).ready(function () {
  
      ajaxcsrf();
  
      // Load Jurusan
      load_jurusan();
  
      // Load Kelas By Jurusan
      $('#jurusan').on('change', function () {
          load_kelas($(this).val());
      });
  
      $('form#mahasiswa input, form#mahasiswa select').on('change', function () {
          $(this).closest('.form-group').removeClass('has-error has-success');
          $(this).nextAll('.help-block').eq(0).text('');
      });
  
      $('[name="jenis_kelamin"]').on('change', function () {
          $(this).parent().nextAll('.help-block').eq(0).text('');
      });
  
      $('form#mahasiswa').on('submit', function (e) {
          e.preventDefault();
          e.stopImmediatePropagation();
  
          var btn = $('#submit');
          btn.attr('disabled', 'disabled').text('Wait...');
  
          $.ajax({
              url: $(this).attr('action'),
              data: $(this).serialize(),
              type: 'POST',
              success: function (data) {
                  btn.removeAttr('disabled').text('Save');
                  if (data.status) {
                      Swal({
                          "title": "Success",
                          "text": "Data Saved Successfully",
                          "type": "success"
                      }).then((result) => {
                          if (result.value) {
                              window.location.href = base_url+'mahasiswa';
                          }
                      });
                  } else {
                      console.log(data.errors);
                      $.each(data.errors, function (key, value) {
                          $('[name="' + key + '"]').nextAll('.help-block').eq(0).text(value);
                          $('[name="' + key + '"]').closest('.form-group').addClass('has-error');
                          if (value == '') {
                              $('[name="' + key + '"]').nextAll('.help-block').eq(0).text('');
                              $('[name="' + key + '"]').closest('.form-group').removeClass('has-error').addClass('has-success');
                          }
                      });
                  }
              }
          });
      });
  });