title: Jquery - How to check, if child in hidden DIV is visible?
body: <p>how can i check a div in a hidden div ...  if visible or not?</p>
  
  <p><strong>HTML</strong></p>
  
  <pre><code>&lt;div style="display:none;"&gt;
    &lt;div id="two_child"&gt;&lt;/div&gt;
    &lt;div id="three_child" style="display:none"&gt;&lt;/div&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p><strong>JS</strong></p>
  
  <pre><code>if($('#two_child').is(':visible'))
  {
    alert('true');
  }
  </code></pre>
  
  <p>This will not work. </p>
  
  <p>Any ideas`?</p>
  
  <p>Thanks in advance!
  Peter</p>