JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://documentcloud.github.com/underscore/underscore-min.js"></script>
<script src="http://documentcloud.github.com/backbone/backbone-min.js"></script>
<input id="size" value="big" />

CSS

#size{
    margin: 50px;
}

JavaScript

$('#size').on( "change", function(){ console.log( "size changed" ); } );

$('#size').val( "small" );