Reorder options inside select

by RoryMcCrossan

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.1/css/select2.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.1/js/select2.full.min.js"></script>
<select name="list" id="mylist" multiple style="width:140px;">

</select>

JavaScript

var dataUser = [{
    "id": "5",
    "text": "BTest"
}, {
    "id": "2",
    "text": "ATest"
}, {
    "id": "8",
    "text": "CTest"
}, {
    "id": "13",
    "text": "DTest"
}];


$("#mylist").select2({
    data: dataUser,
    templateResult: function(data) {
        return data.text;
    },
    sorter: function(data) {
        return data.sort(function(a, b) {
            return a.text < b.text ? -1 : a.text > b.text ? 1 : 0;
        });
    }
}).on("select2:select", function (e) { 
	$('.select2-selection__rendered li.select2-selection__choice').sort(function(a, b) {
    	return $(a).text() < $(b).text() ? -1 : $(a).text() > $(b).text() ? 1 : 0;
    }).prependTo('.select2-selection__rendered');
});