JSFiddle - React, Tailwind, and code Playground

HTML

<span></span>
<div>    
</div>

CSS

div {
    height:3000px;
}
span { 
   position: fixed;
}

JavaScript

$(window).scroll(function() {
    $('span').text("pageYOffset:"+window.pageYOffset + ", jQuery.scrolltop: " +$(window).scrollTop());   
});