modal tooltip problem

HTML

<span data-toggle="tooltip" data-placement="top" data-title="Tooltip">
    <button  data-toggle="modal" data-target="#modal">Toggle</button>
</span>

 <div class="modal fade" id="modal" tabindex="-1" role="dialog" aria-hidden="true">
     <div class="modal-dialog">
         <div class="modal-content">
             <div class="modal-header">
                 <button type="button" class="close" data-dismiss="modal">&times;</button>
             </div>
             
             <div class="modal-body">
                 <p>lorem ispum dolor sit amet</p>
             </div>
             
             
             <div class="modal-footer">
                 <button type="button" class="btn btn-primary">Submit</button>
                 <button type="button" class="btn btn-default" data-dismiss="modal">Cancel</button>
             </div>
         </div>
     </div>
</div>

CSS

body {padding: 50px;}

JavaScript

$(function () {
  $('[data-toggle="tooltip"]').tooltip()
})