// $('.teacher-subject').html(`
//     <div class="form-group">
//         {!! Form::label('subject_name','Subject Name') !!}
//         <div>
//             {!!Form::select('subject_id', $teachers_name[input.value]->teacher_classes_subjects->pluck('subject_id') , null , ['class' => 'form-control',
//             'data-parsley-required'=>'true',
//             'data-parsley-trigger'=>'change',
//             'maxlength'=>"100"] )!!}
//         </div>
//     </div>
// `);












<div class="form-group">
                {!! Form::label('class_name','Class Name') !!}
                <div>
                    {!!Form::select('class_id',, null , ['class' => 'form-control',
                    'data-parsley-required'=>'true',
                    'data-parsley-trigger'=>'change',
                    'maxlength'=>"100"] )!!}
                </div>
            </div>