JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/select2/3.5.1/select2.js"></script>
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/select2/3.5.1/select2.css">
<div id="select" multiple="multiple"></div>

JavaScript

var dropDownList;

$('#select').select2({
    data:[
        {id:0,text:'enhancement'},
        {id:1,text:'bug'},
        {id:2,text:'duplicate'},
        {id:3,text:'invalid'},
        {id:4,text:'wontfix'}
    ],
    width: 150
}).on('select2-loaded', function(e) {
    dropDownList = e.items.results;
}).on('select2-selecting', function(e) {
    console.log(dropDownList);
});