JSFiddle - React, Tailwind, and code Playground

by Renilson Meneguci

HTML

<div id="output"></div>
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<div id="my-element"></div>

CSS

#my-element {
    position   : absolute;
    top        : 500px;
    background : gold;
    height     : 50px;
    width      : 50px;
}
#output {
    position : fixed;
    top      : 0;
    right    : 0;
    height   : 200px;
    width    : 200px;
    border   : 1px solid yellow;
    overflow : hidden;
}

JavaScript

var $output = $('#output');
$(window).on('scroll', function () {
    var scrollTop     = $(window).scrollTop(),
        elementOffset = $('#my-element').offset().top,
        distance      = (elementOffset - scrollTop);

    $output.prepend('<p>' + distance + '</p>');
});