javascript - codeigniter csrf not work in select option -

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i want make step input select option, in case, make 3 step, when select first option show next option 2, option 3. using ajax , set $config['csrf_protection'] = true; in codeigniter config file. in first select option (#kategori) work , show next value in second select option, in step 3 select option (#sub1 or secon function of javascript) n't work. thank before.

this view:

<?php echo form_open_multipart('',array('class'=>'form-horizontal'));?> <?php echo form_label('kategori','id_kategori',array('class'=>'col-sm-2 control-label'));?>  <select id="kategori" name="id_kategori">   <option value=""></option>     <?php      foreach($kategori $kategori_umum)       {        echo '<option value='.$kategori_umum->id.'>'.$kategori_umum->nama_kategori.'</option>';       }     ?>  </select>  <select id="sub1" name="id_kategori_sub1"> //step 2     <option value=""></option>  </select>  <select id="sub2" name="id_kategori_sub2"> //step 3     <option value=""></option>  </select>

ajax :

<script type="text/javascript"> $('#kategori').change(function(){ var kategori_id = $('#kategori').val();     //alert(state_id); if (kategori_id != ""){     var post_url = "<?php echo base_url();?>masuk/produk/get_sub1";     $.ajax({         type: "post",         url: post_url,         data: {'<?php echo $this->security->get_csrf_token_name(); ?>':'<?php echo $this->security->get_csrf_hash(); ?>','kategori_id':kategori_id},         datatype: 'json',         success: function(kategori_sub1, datatype) //calling response json array 'kategori_sub1'         {             $('#sub1').empty();             $('#sub1').show();             $.each(kategori_sub1,function(id,sub1)              {                 var opt = $('<option />'); // creating new select option each group                 opt.val(id);                 opt.text(sub1);                 $('#sub1').append(opt);                 $('#sub2').hide();              });         },         error:function(xhr)             {                 alert("terjadi kesalahan");             }      }); //end ajax } else {     $('#sub1').empty();     $('#sub2').empty(); }});  $('#sub1').mouseout(function(){ var sub1_id = $('#sub1').val(); if (sub1_id != ""){     var post_url = "<?php echo base_url();?>masuk/produk/get_sub2";     $.ajax({         type: "post",         url: post_url,         data: {'<?php echo $this->security->get_csrf_token_name(); ?>':'<?php echo $this->security->get_csrf_hash(); ?>','sub1_id':sub1_id},         datatype: 'json',         success: function(kategori_sub2, datatype)         {             $('#sub2').empty();             $('#sub2').show();             $.each(kategori_sub2,function(id,sub2)              {                 var opt = $('<option />');                 opt.val(id);                 opt.text(sub2);                 $('#sub2').append(opt);              });         },         error:function(xhr)             {                 alert("kesalahan");             }      }); //end ajax }});</script>

i suspect problem using wrong event mouseout.

you should using change same way first 1 works does.

beyond more information needed actual requests inspecting in browser dev tools


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