title: Bolding a text node in the DOM
body: <p>I am trying to bold text in my paragraph, but am not sure what to append exactly. Here is my code.</p>
  
  <pre><code>&lt;p id="para"&gt;
    Hello World
  &lt;/p&gt;
  
  var para = document.getElementById('para');
  var bold = document.createElement('STRONG');
  
  para.appendChild(bold);
  </code></pre>
  
  <p>Any thoughts?</p>
  
  <p>Thanks!</p>