title: Error using .contains() JQuery function in Chrome
body: <p>When I call .contains in </p>
  
  <pre><code>if ($(this).text().toUpperCase().contains(word)
  </code></pre>
  
  <p>Chrome returns an error Uncaught TypeError:Object</p>
  
  <pre><code>&lt;input id="busca_prof" class="campo_filtro" type="text" name="word" placeholder="pesquisar profissional"&gt;
  
  &lt;div id="prof_{{ prof.id }}" class="profissional filtrar"&gt;
     ... content
  &lt;/div&gt;
  
  $(document).ready(function(){
      $(".campo_filtro").keyup(function(){
          word = $(this).val().toUpperCase();
  
          $(".filtrar").each(function(){
              if ($(this).text().toUpperCase().contains(word) ||
                  removeAcento($(this).text().toUpperCase()).contains(word)){
                  $(this).fadeIn();
              }else{
                  $(this).fadeOut();
              }
          });
      });
  });
  </code></pre>