title: jQuery .each and height of div
body: <p>I have construction like this:</p>
  
  <pre><code>&lt;div class="a"&gt;
    &lt;div class="b"&gt;&lt;/div&gt;
    &lt;div class="b"&gt;&lt;/div&gt;
   &lt;div class="b"&gt;&lt;/div&gt;
   &lt;div class="b"&gt;&lt;/div&gt;
  &lt;/div&gt;
  &lt;div class="a"&gt;
    &lt;div class="b"&gt;&lt;/div&gt;
    &lt;div class="b"&gt;&lt;/div&gt;
  &lt;/div&gt;
  &lt;div class="a"&gt;
    &lt;div class="b"&gt;&lt;/div&gt;
    &lt;div class="b"&gt;&lt;/div&gt;
    &lt;div class="b"&gt;&lt;/div&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>I would like to find the highest div with class set to b in each div class set to a, and display in alert?</p>