JSFiddle - React, Tailwind, and code Playground

HTML

<!-- jquery git build with patch for bug #8744 applied from 2011/11/24 -->
<script type="text/javascript" src="http://www.stud.uni-karlsruhe.de/~urblr/jquery-ugly/jquery.js"></script>

JavaScript

$.ajax({
    url: 'http://www.jsfiddle.net/echo/jsonp/',
    // make the timeout really short so we always hit it
    timeout: 5,
    dataType: "jsonp",
    data: { echo: "Hello World!" },
    error: function(jqxhr, textStatus) {
        alert("failed with error: " + textStatus);
    },
    success: function(data, jqxhr, textStatus) {
        alert(data.echo);
    }
});