function hideModal() {
$("#myModal").removeClass("in");
$(".modal-backdrop").remove();
$('body').removeClass('modal-open');
$('body').css('padding-right', '');
$("#myModal").hide();
}
<!-- Modal -->
<div id="myModal" class="modal fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h3 id="myModalLabel">Modal header</h3>
</div>
<div class="modal-body">
<p>One fine body…</p>
</div>
<div class="modal-footer">
<button class="btn" data-dismiss="modal" aria-hidden="true">Close</button>
<button class="btn btn-primary">Save changes</button>
</div>
</div>
<a class="btn" data-target="#myModel" role="button" data-toggle="modal">Launch demo modal</a>