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/2.4/js/dojo/dijit/themes/tundra/tundra.css">
    <style>
      html,
      body {
        height: 100%;
        width: 100%;
        margin: 0;
        padding: 0;
      }
      
      #map {
        margin: 0;
        padding: 0;
      }
      
      #info {
        position: absolute;
        top: 10px;
        right: 10px;
        width: 160px;
        height: 80px;
        z-index: 40;
        background: #fff;
        padding: 5px;
        color: #000;
        font-family: arial;
      }
      
      #results {
        color: red;
      }

    </style>
    <script>
      var dojoConfig = {
        parseOnLoad: true
      };

    </script>
    <script src="http://serverapi.arcgisonline.com/jsapi/arcgis/?v=2.4"></script>
    <script>
      dojo.require("dijit.layout.BorderContainer");
      dojo.require("dijit.layout.ContentPane");
      dojo.require("esri.map");
      dojo.require("esri.tasks.geometry");

      var map, resizeTimer, gsvc;

      function init() {
        var initExtent = new esri.geometry.Extent(-7.564331, 61.220596, -5.564331, 63.220596, new esri.SpatialReference({
          wkid: 4326
        }));
        var wmExtent = esri.geometry.geographicToWebMercator(initExtent);
        map = new esri.Map("map", {
          extent: wmExtent
        });
        var basemap = new esri.layers.ArcGISTiledMapServiceLayer("http://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer");
        map.addLayer(basemap);

        gsvc = new esri.tasks.GeometryService("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Geometry/GeometryServer");
        dojo.connect(map, 'onClick', projectPoint);

       ...