JSFiddle - React, Tailwind, and code Playground

by Francois Wahl

HTML

<div id="selects">
    <select name="folder1"></select>
    <select name="folder2"></select>
    <select name="folder3"></select>
</div>

JavaScript

var itemName = "folder4";
var $item = $('#selects select[name="' + itemName + '"]');

if($item.length == 0)
{
    $('#selects').append('<select name="' + itemName + '"></select>');
}