Web tasarımı zamanlayıcıya göre modal nasıl kapatılır?

<!-- Processing... -->
 <div class="modal fade" id="exampleModal63" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true">
 <div class="modal-dialog" style="margin-top: 270px; width: 600px; margin-left: 530px;">
 <div class="modal-content" style="border-radius: 5px; height: 200px; width: 380px;">
 <div class="modal-header">
 <h5 class="modal-title" id="exampleModalLabel">Processing...</h5>
 </div>
 <div class="modal-body" style="font-size: 15px;">
 <div class="loader"></div>
 <strong>Please wait,</strong>this should only take a few moments...
 </div>
 <div class="modal-footer">
 </div>
 </div>
 </div>
 </div>

 <script>
 var inervalID;

 function çalıştır() {
 inervalID = setInterval(kapat, 3000);
 }

 function kapat() {
 }
 </script>