JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/jquery-nice-select/1.1.0/css/nice-select.min.css">
</head>
<body>
    <div class="select-block">
        <select>
            <option value="test">test</option>
            <option value="test2">test2</option>
            <option value="test3">test3</option>
            <option value="test4">test4</option>    
        </select>
    </div>

    <div class="button-block">
        <button>Add Element</button>
    </div>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-nice-select/1.1.0/js/jquery.nice-select.js"></script>
</body>
</html>

CSS

.button-block {
  clear: both;
}

JavaScript

$('select').niceSelect();

$('button').on('click', function () {
    const newOption = ` <select>
            <option value="test">test</option>
            <option value="test2">test2</option>
            <option value="test3">test3</option>
            <option value="test4">test4</option>    
        </select>`;

    $('.select-block').append(newOption);
    $('.select-block').niceSelect('update');
});