title: Javascript get child nodes of a div
body: <p>HTML code:</p>
  
  <pre><code>&lt;div id="section"&gt;
    &lt;div id="title" onclick="hideBody()"&gt;&lt;/div&gt;
    &lt;div id="body"&gt;&lt;/div&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>How can I access the <code>id="body"</code> element using <code>this.</code>...?<br>
  EXAMPLE:<br>
  <code>this.parent.child[1];</code></p>