JSFiddle - React, Tailwind, and code Playground

HTML

<div id="foo"></div>

CSS

#foo {
    height: 1200px;
    width: 100px;
    background-color: black;
    margin-top:500px;
}

JavaScript

var delay = 1000;
var timeout = null;
$(window).bind('scroll',function(){
    clearTimeout(timeout);
    timeout = setTimeout(function(){
        alert('scrolling stopped');
    },delay);
});