JSFiddle - React, Tailwind, and code Playground

HTML

<script language="javascript" type="text/javascript" src="https://bitbucket.org/cleonello/jqplot/raw/b5a7796a9ebf/src/jquery.jqplot.js"></script>
  
 <script language="javascript" type="text/javascript" src="https://bitbucket.org/cleonello/jqplot/raw/b5a7796a9ebf/src/plugins/jqplot.cursor.js"></script>
 
 <script language="javascript" type="text/javascript" src="https://bitbucket.org/cleonello/jqplot/raw/b5a7796a9ebf/src/plugins/jqplot.highlighter.js"></script>
 
 <script language="javascript" type="text/javascript" src="https://bitbucket.org/cleonello/jqplot/raw/b5a7796a9ebf/src/plugins/jqplot.categoryAxisRenderer.js"></script>
 
 <script language="javascript" type="text/javascript" src="https://bitbucket.org/cleonello/jqplot/raw/b5a7796a9ebf/src/plugins/jqplot.canvasAxisTickRenderer.js"></script>
 
 <script language="javascript" type="text/javascript" src="https://bitbucket.org/cleonello/jqplot/raw/b5a7796a9ebf/src/plugins/jqplot.canvasTextRenderer.js"></script>
 
 <script language="javascript" type="text/javascript" src="https://bitbucket.org/cleonello/jqplot/raw/b5a7796a9ebf/src/plugins/jqplot.canvasAxisLabelRenderer.js"></script>
 
 <script language="javascript" type="text/javascript" src="https://bitbucket.org/cleonello/jqplot/raw/b5a7796a9ebf/src/plugins/jqplot.pointLabels.js"></script>

 <script language="javascript" type="text/javascript" src="https://bitbucket.org/cleonello/jqplot/raw/b5a7796a9ebf/src/plugins/jqplot.barRenderer.js"></script>

<div id="bar_chart"></div>

<h1>Mocking AJAX on jsfiddle</h1>

<div id="ajax"></div>

JavaScript

var jsonData = {
    "a": 10,
     "b": 20
};
alert(JSON.stringify(jsonData));
var ajaxDataRenderer = function (url, plot, options) {
    var ret = null;
    $.ajax({
        type: 'POST',
        dataType: 'json',
        url: jsonurl,
        async: false,
        data: {
            json: JSON.stringify(jsonData)
        },
        success: function (data) {
            var array = $.map(data, function(value, index) {
                return [value];
            });
             $('#ajax').append(data.a).append( ['<br/>',data.b].join('') );
            ret = [array];
        }
    });
    alert(rel);
    return ret;
  };

    var jsonurl = "/echo/json/";

    var plot1 = $.jqplot('bar_chart', jsonurl, {
        title: "AJAX JSON Data Renderer",
        dataRenderer: ajaxDataRenderer,
        dataRendererOptions: {
      unusedOptionalUrl: jsonurl
    }
    });