JSFiddle - React, Tailwind, and code Playground

HTML

<a id="add" herf="#">add</a>

<div class="list">
    <select>
        <option>1</option>
        <option>2</option>
    </select>
</div>

JavaScript

$('#add').click(function() {
    var orig = $('select',$('.list').last());
    var copy = $('.list').last().clone();
    $('select',copy).val(orig.val());
    copy.appendTo('body');
});