An easy jquery code I am missing somehow as a jquery novice
$(document).ready(function(){
    $('dd').xyz('<div class="clear"></div>'); // what will be this xyz function
});

<dl>
    <dt>A</dt>
    <dd>AA</dd>
    <dt>B</dt>
    <dd>BB</dd>
</dl>

$(document).ready(function(){
    $('dd').after('<div class="clear"></div>');
});

$(document).ready(function(){
    $('dd').each(function(){
     $(this).after('<div class="clear"></div>');
   });
});