title: jQuery and jsTree - select child nodes by class
body: <p>Having difficulty checking (checkbox) all nodes by a specific class</p>
  
  <p>here is what i have so far, i'm trying to check all the nodes that have the class checkMe</p>
  
  <pre><code>$('.MyTree').jstree('check_node', 'li.checkMe');
  </code></pre>
  
  <p>Unfortunately it doesnt work :)</p>
  
  <p>I can only seem to check or unchecl all the nodes by doing</p>
  
  <pre><code>$('.MyTree').jstree('check_all'); //or uncheck_all
  </code></pre>
  
  <p>Any ideas?</p>
  
  <p>Thanks in advance</p>