JSFiddle - React, Tailwind, and code Playground

HTML

<div id="chart" style="width: 500px; height: 500px;"></div>

JavaScript

define(['dojo/_base/declare',
                'dojo/_base/connect',
                'dojox/charting/Chart',
                'dojox/charting/plot2d/Spider'], function(declare, connect) {
    var MySpider = declare("dojox.charting.plot2d.MySpider", [dojox.charting.plot2d.Spider], {

        animDuration: 5,

        _createSeriesEntry: function(ts, osps, sps, f, sk, r, ro, ms, at) {
            var widget = this;

            //polygon
            var spoly = ts.createPolyline(osps).setFill(f).setStroke(sk),
                scircle = [];
            for (var j = 0; j < osps.length; j++) {
                var point = osps[j],
                    cr = ms;
                var circle = ts.createCircle({
                    cx: point.x,
                    cy: point.y,
                    r: cr
                }).setFill(f).setStroke(sk);
                scircle.push(circle);
            }

            var anims = dojo.map(sps, function(np, j) {
                // create animation
                var sp = osps[j],
                    anim = new dojo._Animation({
                        duration: widget.animDuration,
                        easing: at,
                        curve: [sp.y, np.y]
                    });
                var spl = spoly,
                    sc = scircle[j];
                connect.connect(anim, "onAnimate", function(y) {
                    //apply poly
                    var pshape = spl.getShape();
                    pshape.points[j].y = y;
                    spl.setShape(pshape);
                    //apply circle
                    var cshape = sc.getShape();
                    cshape.cy = y;
                    sc.setShape(cshape);
                });
                return anim;
            });

            var anims1 = dojo.map(sps, function(np, j) {
                // create animation
                var sp = osps[j],
                    anim = new dojo._Animation({
                        duration: widget.animDuration,
       ...