this + name of class

this + name of class

I want to into each element with class' right' write length text from left side inside element in class 'left':

  1. <ul class="item">
                  <li><span class="left">aaaaaa</span><span class="right"></span></li>
                  <li><span class="left">bbbb</span><span class="right"></span></li>
    </ul>
    <ul class="item">
                  <li><span class="left">cccccccc</span><span class="right"></span></li>
                  <li><span class="left">ddddddddd</span><span class="right"></span></li>
    </ul>


I have:

  1. $(document).ready(function()
    {
    $(".item li").each(function() 
    {
    text_length = $(this + ".left").html().length;
    $(this + ".srodek").append(text_length); 
    });
    });


But it doesn't work.