title: How to check if all of the checkbox are checked
body: <p>How can I check if all of my checkboxes are checked or unchecked with jquery,I have child and grandchild input elements-</p>
  
  <p>codepen setup : <a href="http://codepen.io/Assert/pen/BLBjpk" rel="nofollow">http://codepen.io/Assert/pen/BLBjpk</a></p>
  
  <pre><code>&lt;ul id="treeList"&gt;
    &lt;li&gt;
      &lt;input type="checkbox" name="selectedRole"&gt; mCRC
    &lt;ul&gt;
    &lt;li&gt;
      &lt;input type="checkbox" name="selectedRole"&gt; STIVARGA Efficacy
      &lt;ul&gt;
        &lt;li&gt;
          &lt;input type="checkbox" name="selectedRole"&gt; Long-Term Responders
        &lt;/li&gt;
        &lt;li&gt;
          &lt;input type="checkbox" name="selectedRole"&gt; STIVARGA in Clinical Practice
        &lt;/li&gt;
      &lt;/ul&gt;
    &lt;/li&gt;
    &lt;li&gt;
      &lt;input type="checkbox" name="selectedRole"&gt; STIVARGA AE Management
    &lt;/li&gt;
  
    &lt;li&gt;
      &lt;input type="checkbox" name="selectedRole"&gt; Dosing
    &lt;/li&gt;
    &lt;li&gt;
      &lt;input type="checkbox" name="selectedRole"&gt; Patient Communication
    &lt;/li&gt;
    &lt;li&gt;
      &lt;input type="checkbox" name="selectedRole"&gt; Case Studies
    &lt;/li&gt;
  &lt;/ul&gt;
  
  &lt;li&gt;
    &lt;input type="checkbox" name="selectedRole"&gt; GIST
  &lt;/li&gt;
  </code></pre>
  
  <p></p>