add span tag within anchor in jquery
<p>How to add span tag within anchor, changing it from</p>

<pre><code>&lt;a href="somewhere.html"&gt;Here is the link to somewhere.&lt;/a&gt;
</code></pre>

<p>to this with jquery</p>

<pre><code>&lt;a href="somewhere.html"&gt;
&lt;span&gt;Here is the span content.&lt;/span&gt;
Here is the link to somewhere.
&lt;/a&gt;
</code></pre>
