convention only, hide conference option

resources/views/form_kegiatan.blade.php

@@ -3,9 +3,9 @@
         <div class="card-body">
             <div class="form-group" id = "list-kegiatan" @if ($errors->has('thematic_workshop')) has-error @endif>
                 <label>Kegiatan</label>
-                @foreach ($kegiatan as $keg)
+                @foreach ($kegiatan as $j=>$keg)
                     <div class="form-check">
-                        <input class="form-check-input" type="radio" id="kegiatan" name="kegiatan{{ $i }}[]" value="{{ $keg->id }}">
+                        <input class="form-check-input" type="radio" id="nama-kegiatan-{{ $i }}-{{ $j }}" name="kegiatan{{ $i }}[]" value="{{ $keg->id }}" onChange="cekKegiatan('nama-kegiatan-{{ $i }}-{{ $j }}')">
                         <label class="form-check-label" for="{{ $keg->nama }}">{{ $keg->nama }}</label>
                     </div>
                 @endforeach

resources/views/form_registrasi.blade.php

@@ -149,25 +149,15 @@
 
 @push('js')
     <script>
-        function cekKegiatan(){
-            console.log('masuk');
-            if(document.getElementById('kegiatan').value == '498633a9-082c-4a4a-9dbd-e20b678ec15e'){
-                document.getElementById('grup-konferensi').style.display = 'none';
-            }
-            else{
-                document.getElementById('grup-konferensi').style.display = 'block';
+        function cekKegiatan(id){
+            var value = document.getElementById(id).value;
+            if(value == '498633a9-082c-4a4a-9dbd-e20b678ec15e'){
+                $('#grup-konferensi').hide();
+            } else {
+                $('#grup-konferensi').show();
             }
         }
 
-        function cek(var){
-            console.log('masuk', var);
-            if(document.getElementById('kegiatan').value == '498633a9-082c-4a4a-9dbd-e20b678ec15e'){
-                document.getElementById('grup-konferensi').style.display = 'none';
-            }
-            else{
-                document.getElementById('grup-konferensi').style.display = 'block';
-            }
-        }
     </script>
 
     <script>