JSFiddle - React, Tailwind, and code Playground

HTML

<select id="sel">
    <option>1</option>
    <option>2</option>
</select>

<button id="add">ADD</button>

<div id="test"></div>

JavaScript

var copy = $('#sel').clone().attr('id', '');

$('#add').click(function(){
	$('#test').append(copy);    
});