javascript - Show succes message from ajax -


i have question, create sistem update in database row when onchange select box. goes well, want drop succes message if update succes.

my view : 

<form action="" id="updatestatus" method="post">     <select id="statusselect"             name="{{ gift.id_instant_gagnant }}"             class="form-control"             onchange="updatecadeaustatus({{ gift.id_instant_gagnant }})">             {% key,statut in form_logistique.statut.choices %}                 <option value="{{ key }}"                     {% if gift.etat == key %}selected="selected"{% endif %}>                     {{ statut }}                  </option>             {% endfor %}    </select> </form>  <script>     function updatecadeaustatus(id) {         var id = id;         var selectedname = $("#statusselect option:selected").val();         var url_deploy = 'http:localhost/updatestatus'         console.log(id);         console.log(selectedname);         $.ajax({             url: url_deploy,             type: "post",             async: true,             data: { id_cadeau:id, id_status:selectedname}         });     } </script>

the controller : 

public function updatestatus(){     $igiftid    = $_post['id_cadeau'];     $inewstatus = $_post['id_status'];     $bupdate = $this->updatestatusbygiftid($igiftid, $inewstatus);     return $this->render('logistique.twig');  }

the model : 

public static function updatestatusbygiftid($igiftid, $istatusid){     $request = sprintf( ' update `%s` set etat = %d id = %d ', $table, $istatusid, $igiftid);      return mysqli::query($request, $database); }

so goes want drop message after every update, displayed in view. please me!!! thx in advance, sorry english. 

$.ajax({             url: url_deploy,             type: "post",             async: true,             data: { id_cadeau:id, id_status:selectedname},             success : function(data){                 console.log('success');             },             error: function(){                 console.log('error');             }         });

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