JSFiddle - React, Tailwind, and code Playground

HTML

<div id="testPage" data-role="page">
    <div data-role="content">
        <fieldset data-role="controlgroup">
            <legend>Radio buttons, vertical controlgroup:</legend>
            <input type="radio" name="radio-choice-1" id="radio-choice-1" value="choice-1" checked="checked">
            <label for="radio-choice-1">Cat</label>
            <input type="radio" name="radio-choice-1" id="radio-choice-2" value="choice-2">
            <label for="radio-choice-2">Dog</label>
            <input type="radio" name="radio-choice-1" id="radio-choice-3" value="choice-3">
            <label for="radio-choice-3">Hamster</label>
            <input type="radio" name="radio-choice-1" id="radio-choice-4" value="choice-4">
            <label for="radio-choice-4">Lizard</label>
        </fieldset>
    </div>
</div>

JavaScript

$('<input type="radio" name="radio-choice-1" id="radio-choice-5"><label for="radio-choice-5">Horse</label>')
    .appendTo("fieldset");

$("div").trigger('create');