text: $(document).ready(function () {
      $('form#matpel input').on('change', function () {
          $(this).parent('.form-group').removeClass('has-error');
          $(this).next('.help-block').text('');
      });
  
      $('form#matpel').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(),
              method: 'POST',
              success: function (data) {
                  btn.removeAttr('disabled').text('Simpan');
                  //console.log(data);
                  if (data.status) {
                      Swal({
                          "title": "Sukses",
                          "text": "Data Berhasil disimpan",
                          "type": "success"
                      }).then((result) => {
                          if (result.value) {
                              window.location.href = base_url+'matpel';
                          }
                      });
                  } else {
                      var j;
                      for (let i = 0; i <= data.errors.length; i++) {
                          $.each(data.errors[i], function (key, val) {
                              j = $('[name="' + key + '"]');
                              j.parent().addClass('has-error');
                              j.next('.help-block').text(val);
                              if (val == '') {
                                  j.parent('.form-group').removeClass('has-error');
                                  j.next('.help-block').text('');
                              }
                          });
                      }
                  }
              }
          });
      });
  });