My bootstrap close modal not working not and not found any JavaScript error with console.

I added close button in model header, shared my popup html code also

My model html

<!-- Modal  popup--> 
<div class="modal fade" id="sampleModel" tabindex="-1" role="dialog" aria-hidden="true">
<div class="modal-dialog" role="document">
<div class="modal-content"> 
  <div class="modal-header">
  <h5 class="modal-title" id="bsModelTitle">Title </h5>
  <button type="button" id="btnModeClose" class="close" data-dismiss="modal" aria-label="Close">
     <span aria-hidden="true">&times;</span>
   </button>
 </div>
 
  <div id="ModelData" class="modal-body">
     My model body content
   </div>
    <div class="modal-footer">
    <button id="btOk" type="button" class="btn btn-success">OK</button>
    <button id="btCancel" type="button" class="btn btn-warning" data-dismiss="modal">Cancel</button>
    </div>
   </div>
  </div>
  </div> 

please provide solution for this issue 

I want to call some ajax action when model popup closed, how to handle this with jQuery 

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