jQuery addClass example
Change class name on click in jQuery
HTML
<ul id="foo">
<li title="tag1, tag2"><a href="toto.fr"><h1>Toto</h1></a>Commentaire</li>
</ul>
JavaScript
$( function(){
var $comment = $('#foo>li:eq(0)').clone() ;
$comment.find('a').remove();
$comment = $comment.text();
console.log( $comment );
});