JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://brianreavis.github.io/selectize.js/css/selectize.default.css">
<script src="http://brianreavis.github.io/selectize.js/js/selectize.js"></script>
<select>
    <option value="">...</option>
</select>

JavaScript

var $select = $('select').selectize({
    sortField: [{ field: 'value' }]   
});
var selectize = $select[0].selectize;

selectize.addOption([
    {text: '1 January', value: 1},
    {text: '2 February', value: 2},
    {text: '3 March', value: 3},
    {text: '4 April', value: 4},
    {text: '5 May', value: 5},
    {text: '6 June', value: 6},
    {text: '7 July', value: 7},
    {text: '8 August', value: 8},
    {text: '9 September', value: 9},
    {text: '10 October', value: 10},
    {text: '11 November', value: 11},
    {text: '12 December', value: 12}
]);