JSFiddle - React, Tailwind, and code Playground

HTML

<select class="theSelect">
    <option value="1">First</option>
    <option value="2">Second</option>
</select>
<a href="#">Build new select</a>

JavaScript

(function($) {
    $('a').click(function() {
        
        var $options = $('.theSelect option').clone();
       
        $newSelect = $('<select></select>').append($options);
        
        $('body').append($newSelect);
        
        return false;
    });
})(jQuery);