JSFiddle - React, Tailwind, and code Playground

HTML

<div id="a">
    <select>
    <option />
    </select>
</div>

<div id="b">
</div>

JavaScript

$("#b").append($("#a select").clone(true));
console.log($("#a select").size());

if ($("#b select").size() > 0) {
    alert("Successfully selected.");
} else {
    alert("Why can I not select the clone?");
}