JSFiddle - React, Tailwind, and code Playground

by Addy Osmani

HTML

<input type="checkbox" class="check">

<div class="mydiv">Hello World</div>

CSS

.mydiv { background-color:yellow; display:none;}

JavaScript

$('.check').change(function () {
    if ($(this).attr("checked")) 
    {
        
        $('.mydiv').fadeIn();
        return;
    }
   $('.mydiv').fadeOut();
});