JSFiddle - React, Tailwind, and code Playground
by fracmak
HTML
<div id="positioned" style="top: 0px; height: 20px; position: fixed;"></div>
<div style="height: 5000px;"></div>
JavaScript
var elem = $( "#positioned" );
$( window ).scrollTop( 1000 );
elem.append('position-top: ' + elem.position().top);