JSFiddle - React, Tailwind, and code Playground

HTML

<input type="checkbox" vlalue="show-hide" checked="checked" id="box">

<div id="div">123</div>

CSS

div {
    border: 1px solid #999;
    padding: 10px;
}

JavaScript

$('#box').change(function() {
    $('#div').toggle(this.checked);
});