title: Getting only one div performing an jQuery.ajax
body: <p>what is the proper way to call a specific id or class of a div in another page using the ajax in jQuery? 
  my code is not working and i'm sure i'm just not getting the syntax right. </p>
  
  <p>thanks in advance for the help </p>
  
  <p>The code that doesn't work -></p>
  
  <pre><code>   $.ajax({
        url: "includes/content.php",
        dataType: "html",
        success: function(data) {
          var result = $(data).find('.si');
          $("the div i present the content in").html(result);
  </code></pre>