JSFiddle - React, Tailwind, and code Playground

HTML

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=7,IE=9" />
    <meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no"/>
    <title></title>
    <link rel="stylesheet" href="http://serverapi.arcgisonline.com/jsapi/arcgis/2.5/js/dojo/dijit/themes/tundra/tundra.css">
    <link rel="stylesheet" href="http://serverapi.arcgisonline.com/jsapi/arcgis/2.5/js/esri/dijit/css/Popup.css">
    <style>
      html, body { height: 100%; width: 100%; margin: 0; padding: 0; }
      #map{ margin: 0; padding: 0; }
      #fadeit {
        position: absolute;
        height: 40px;
        width: 120px;
        left: 10px;
        font-family: arial;
        bottom: 10px;
        margin: 5px;
        padding: 5px;
        z-index: 40;
        background: #fff;
        color: #444;
        -moz-box-shadow: 0 0 5px #888;
        -webkit-box-shadow: 0 0 5px #888;
        box-shadow: 0 0 5px #888;
      }
    </style>
    <script>var dojoConfig = { parseOnLoad: true };</script>
    <script src="http://serverapi.arcgisonline.com/jsapi/arcgis/?v=2.5"></script>
    <script>
      dojo.require("dijit.layout.BorderContainer");
      dojo.require("dijit.layout.ContentPane");
      dojo.require("esri.map");
      dojo.require("dojox.gfx.fx");
      
      var map;
      function init() {
        var initExtent = new esri.geometry.Extent({"xmin":-17878954,"ymin":-2368856,"xmax":11003235,"ymax":12170078,"spatialReference":{"wkid":102100}});
        map = new esri.Map("map",{extent:initExtent});
        var basemap = new esri.layers.ArcGISTiledMapServiceLayer("http://server.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer");
        map.addLayer(basemap);

        dojo.connect(dojo.byId('fader'), 'onclick', fadeGraphic); 
        
        dojo.connect(map, 'onLoad', function() { 
          dojo.connect(dijit.byId('map'), 'resize', map, map.resize);
          
          var poly = new...