JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/ui-lightness/jquery-ui.css">
<div id='counter'>3</div>

JavaScript

var offset = 1;

$('#counter').text(function(i,txt) { return parseInt(txt, 10) + offset; });