title: On click button, alert text tag a (jquery)
body: <pre><code>&lt;div class="postContent"&gt;
  &lt;div class="postMeta"&gt;
          &lt;a class="comentsQty"&gt;
          &lt;i class="fa fa-comments-o"&gt;&lt;/i&gt;
          &lt;a class="comments_number" href=""&gt;1252&lt;/a&gt;
          &lt;/a&gt;
  &lt;/div&gt;
  &lt;a href="#" class="postOverlayBtn"&gt;&lt;/a&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>I need to get 1252 on click button .postOverlayBtn
  My Jquery don't work</p>
  
  <pre><code>$(document).ready(function() {
     $('.postOverlayBtn').click(function(event) {
        alert($(this).prev().find('a.comments_number').text());
  });
  });
  </code></pre>