JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"></script>
<div id="time-result"></div>
<div id="canvas"></div>

JavaScript

window.onload = function() {
    var timer = new Date();
    var paper = Raphael('canvas', 400, 400);
    var length = 25;
    for (var i = 0; i < 10; i++) {
        for (var j = 0; j < 10; j++) {
        paper.rect(length * i, length * j, length, length);
        }
    }
    $('#time-result').text('Rendered in ' + (new Date() - timer) + ' milliseconds.');
};