JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://jquery-imagefit-plugin.googlecode.com/svn/trunk/jquery.imagefit-0.2.js"></script>
<div>
    <img src="http://www.w3.org/html/logo/downloads/HTML5_Logo_512.png"/>
</div>

CSS

html, body {
    padding: 0;
    margin: 0;
    height: 100%;
}
div {
    height: 100%;
    width: 100%;
}

JavaScript

$(document).ready(function(){
    $('div').imagefit();
});