JSFiddle - React, Tailwind, and code Playground
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/select2.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/css/select2.min.css">
<div>
<select data-placeholder="Select an option">
</select>
</div>
JavaScript
$("select").select2({
data: ["a","b", "c", "d", "e"],
multiple: true,
maximumSelectionLength: 3,
tokenSeparators: [",", ' '],
closeOnSelect: false,
width: '100%'
})