modify all html of a certain class
<p>i have this </p>

<pre><code>&lt;p class="comment_date" title="a"&gt;c&lt;/p&gt;
&lt;p class="comment_date" title="b"&gt;b&lt;/p&gt;
</code></pre>

<p>i want put the title in the html of any element. so i try with this:</p>

<pre><code>$(".comment_date").html($('.comment_date').attr("title"));
</code></pre>

<p>But it's wrong</p>

<p>how i can do it?</p>

<p>thanks</p>
