jquery- how to select child elements under id
<p>Sample code:</p>

<pre><code>&lt;div id='container'&gt;
  &lt;h1&gt;heading 1&lt;/h1&gt;
  &lt;h2&gt;heading 2&lt;/h2&gt;
  &lt;p&gt;paragraph&lt;/p&gt;
&lt;/div&gt;
</code></pre>

<p>I would like a jQuery equivalent of this css selector to select the h1 element under the div:</p>

<pre><code>#container h1 {}
</code></pre>

<p>Thanks.</p>
