bootstrap.native issue #235 https://github.com/thednp/bootstrap.native/issues/235

bootstrap_issue.html

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.1.3/dist/css/bootstrap.min.css">

<div class="modal" id="first-modal">
	<div class="modal-dialog">
		<div class="modal-content">
			<div class="modal-body">
				First modal
			</div>
		</div>
	</div>
</div>

<div class="modal" id="second-modal">
	<div class="modal-dialog">
		<div class="modal-content">
			<div class="modal-body">
				Second modal
			</div>
		</div>
	</div>
</div>

<script src="https://cdn.jsdelivr.net/npm/jquery@3.3.1/dist/jquery.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.1.3/dist/js/bootstrap.min.js"></script>
<script>
$('#first-modal').modal('show');

setTimeout(function() {
	$('#second-modal').modal('show');
}, 3000);
</script>