select2.js multiple
by jdnilson
HTML
<script src="//cdnjs.cloudflare.com/ajax/libs/select2/3.2/select2.min.js"></script>
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/select2/3.2/select2.css">
<script src="https://rawgit.com/vafour/select2-sortable/master/select2.sortable.js"></script>
<script src="https://code.jquery.com/ui/1.10.2/jquery-ui.min.js"></script>
<select multiple id="e1" style="width:300px">
<option value="AL">Alabama</option>
<option value="Am">Amalapuram</option>
<option value="An">Anakapalli</option>
<option value="Ak">Akkayapalem</option>
<option value="WY">Wyoming</option>
</select>
<input id="btn" type="button" value="text"/>
JavaScript
var $exampleMulti = $("#e1").select2();
// $($exampleMulti).select2Sortable();
$("#btn").on("click", function () {
$("#e1").html('<option value="AA">AAAAAAAAAA</option>');
$exampleMulti.val(["AA", "AL"]).trigger("change");
});