title: Unable to get React JS hello world working
body: <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;&lt;!DOCTYPE html&gt;
  &lt;html&gt;
  &lt;head&gt;
   &lt;meta charset="utf-8"&gt;
   &lt;meta http-equiv="X-UA-Compatible" content="IE=edge"&gt;
   &lt;title&gt;React JS&lt;/title&gt;
   &lt;script src="https://unpkg.com/react@15.3.1/dist/react.min.js"&gt;&lt;/script&gt;
   &lt;script src="https://unpkg.com/react-dom@15.3.1/dist/react-dom.min.js"&gt;&lt;/script&gt;
   &lt;script src=" https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.24/browser.min.js" type="text/javascript" charset="utf-8" async defer&gt;&lt;/script&gt;
  &lt;/head&gt;
  &lt;body&gt;
   &lt;div id="ex"&gt;&lt;/div&gt;
   &lt;script type="text/babel"&gt;
    ReactDOM.render(&lt;h1&gt;Hello&lt;/h1&gt;,document.getElementById('ex'));
   &lt;/script&gt;
  &lt;/body&gt;
  &lt;/html&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p>I am unable to get this intro example working. 
  Whenever I run this code I get a '&lt;' on my browser.Please help.</p>