JSFiddle - React, Tailwind, and code Playground
by Ian Roberts
HTML
<div class="topnav">
<p>pfirst</p><p>plast</p>
</div>
CSS
.topnav {margin:50px;}
p:last-child {
margin-top:50px;
}
JavaScript
//Get
//var p = $("#elementId");
//var offset = p.offset();
//set
//$("#secondElementId").offset({ top: offset.top, left: offset.left})
//Get
var p = $("p:first");
var offset = p.offset();
//set
$("p:last").offset({ top: offset.top + 20, left: offset.left})