JSFiddle - React, Tailwind, and code Playground

HTML

<!--
for some reason jquery-git.js is not up2date, the changes which should close #8744 are not included,
see https://github.com/jquery/jquery/commit/2ed81b44be958b5f2b5569ab15f22bde262b4eb6
So I include a manually build jquery from git, I double checked the changes are in there.
-->
<script type="text/javascript" src="http://www.stud.uni-karlsruhe.de/~urblr/jquery-git.js"></script>

JavaScript

function doTest() {
    $.ajax({
        url: 'http://www.jsfiddle.net/echo/jsonp/',
        timeout: 5,
        dataType: "jsonp",
        data: { echo: "Hello World!" },
        error: function(jqxhr, textStatus) {
            console.log("failed with error: " + textStatus);
        },
        success: function(data, jqxhr, textStatus) {
            alert(data.echo);
        }
    });
}
doTest();