bootstrap 4 modal close button code example
Example 1: close bootstrap modal with javascript
$('#myModal').modal('hide');
Example 2: bootstrap modal
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModalCenter">
Launch demo modal
</button>
<div class="modal fade" id="exampleModalCenter" tabindex="-1" role="dialog" aria-labelledby="exampleModalCenterTitle" aria-hidden="true">
<div class="modal-dialog modal-dialog-centered" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalCenterTitle">Modal title</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
...
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
Example 3: bootstrap 3 modal close only with button
<--! Add following to modal Div : data-backdrop='static' -->
<div id="modal" class="modal hide fade in" data-keyboard="false" data-backdrop="static">
Example 4: modal in bootstrap 4
$('#myModal').modal('handleUpdate')