JSFiddle - React, Tailwind, and code Playground

HTML

<div id="check">
    <input type="text" class="txt" value="" />
    <button type="button" class="btn">Click Me!</button>
</div>

JavaScript

$(document).ready(function () {
    $(".btn").on('click', function () {
        $('#check').append('<input type="checkbox" name="myCheckbox" />' + $(".txt").val());
    });
});