Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<div style="height: 500px; width: 300px; background: #eee; overflow: auto;" id="scrollable"><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div>

JavaScript

var scrollTop = $("#scrollable").scrollTop();
    $("#scrollable").scroll(function(){
        if(scrollTop>$(this).scrollTop()) alert('hi');
        scrollTop = $(this).scrollTop();
    });

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JSFiddle - React, Tailwind, and code Playground

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