select2 v4.0.0

HTML

<link rel="stylesheet" href="https://select2.github.io/dist/css/select2.min.css">
<script src="https://select2.github.io/dist/js/select2.full.js"></script>
<select>

CSS

/* select2 version 4.0.0 Beta 2 */
.select2-dropdown--above {
    border: 1px solid blue !important;;
    border-bottom: none !important;	 
	
}


.select2-dropdown--below{
    border: 1px solid blue !important;;
    border-top: none !important;	 
	
}

JavaScript

$(function () {
    $('select')
        .select2({
            multiple: true,
            data: [{
                id: 'A & A, LLC.', text: 'A & A, LLC.'
            },{
                id: 'testing1', text: 'testing1'
            },{
                id: 'testing 1,2,3', text: 'testing 1,2,3'
            }],
            tokenSeparators: ['|']
        })
        .on('change', function(){
            console.log( $(this).val() );
        });
});