JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.js"></script>
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.2/themes/ui-lightness/jquery-ui.css">
<div>
<div id='jumper'>jumper</div>
</div>

CSS

#jumper {
    position:absolute;
    bottom: 0;
    background: orange;
}

JavaScript

var height = $(document).height();

$("#jumper").animate({ 
    bottom: height + 600
}, 2000, 'easeInBack' );