JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <div>I want</div>
    <fieldset data-role="controlgroup" data-type="horizontal">	<a id="Button_show_filters" data-role="button" href="#page1" onclick="return false" rel="external">Butt 1</a>

        <select>
            <option>Opt 1</option>
            <option>Opt 2</option>
        </select>
    </fieldset>
</div>
<button onclick="show_filters()">Push me!!!</button>

<div id="div_for_harakteristikinomenklatury_list_ff">
    <div>I have</div>
    <fieldset data-role="controlgroup" data-type="horizontal" id="div_for_harakteristikinomenklatury_list">	<a id="Button_show_filters" data-role="button" href="#page1" onclick="return false" rel="external">Butt 1</a>

    </fieldset>
</div>

JavaScript

$("button").click(function show_filters() {
//alert("Hello");
    $("#div_for_harakteristikinomenklatury_list").append('<select class="sm"><option>Opt 1</option><option>Opt 2</option></select>');
    $(".sm:last").selectmenu();
})