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 id="selectize">
    <option value=0>Option 0</option>
    <option value=1>Option 1</option>
    <option value=2> Option 2</option>
    <option value=3>Option 3</option>
</select>

JavaScript

var selectized = $('#selectize').selectize();

window.setTimeout(function(){
    console.log('Should be focused and ready for typing now')
    selectized.focus()
},3000)