JSFiddle - React, Tailwind, and code Playground

by jackwanders

HTML

<script src="http://underscorejs.org/underscore-min.js"></script>
<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap-responsive.css">
<table>
<tr>
 <td id="cell"><input name="elem_1_Name"/></td>
    </tr>
</table>

CSS

body { margin-top: 20px; }

JavaScript

var elem = document.getElementById("cell").lastChild.cloneNode(true);
elem.name = elem.name.replace("1","5");
document.getElementById("cell").appendChild(elem);