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" type="text/css" 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; }
  #meta {
    position: absolute;
    left: 20px;
    bottom: 20px;
    width: 300px;
    height: 100px;
    z-index: 40;
    background: #fff;
    color: #777;
    padding: 5px;
    border: 5px solid #777;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px; 
    font-family: arial;
    font-size: 0.9em;
  }
  #meta h3 {
    color: #000;
    font-size: 1.1em;
    padding: 0px;
    margin: 0px;
    display: inline-block;
  }
  #loading { 
    float: right;
  }
</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("esri.layers.KMLLayer");
  
  var map;
  function init() {
    var initExtent = new esri.geometry.Extent({"xmin":-13787751,"ymin":4476990,"xmax":-10404954,"ymax":6049759,"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);

    var kmlUrl = 'http://dl.dropbox.com/u/2654618/kml/Wyoming.kml';
    var kml = new esri.layers.KMLLayer(kmlUrl, { visible: false }); 
    map.addLayer(kml);
    dojo.connect(kml, 'onLoad',...