<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>JS Bin</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.0/css/select2.min.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0-alpha1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.0/js/select2.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.0/js/i18n/vi.js"></script>
</head>
<body>
<div >
<div id="myModal">
<select id="pictures_tag_input" style="width: 300px;">
<option>red</option>
<option>green</option>
<option>blue</option>
</select>
</div>
</div>
<script type="text/javascript">
$(document).ready(function() {
$("#pictures_tag_input").select2({
dropdownParent: $('#myModal')
});
});
</script>
</body>
</html>
