JSFiddle - React, Tailwind, and code Playground
by BenjaminRay
HTML
<div id="container">This is the container
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<div id="element">
This is the inner element
</div>
</div>
<div>
Distance: <span id="distance"></span>
</div>
JavaScript
$(function() {
var dist = $('#element').position().top - $('#container').position().top;
$('#distance').html(dist);
});