title: jQuery - After number of elements add html!
body: <p>I need to know if I can count the elements inside a div and after 3 elements to add an html object.</p>
  
  <pre><code>&lt;div id="wrapper"&gt;
  &lt;a href="#"&gt;1&lt;/a&gt;
  &lt;a href="#"&gt;1&lt;/a&gt;
  &lt;a href="#"&gt;1&lt;/a&gt;
  //insert html with jQuery here
  &lt;a href="#"&gt;1&lt;/a&gt;
  &lt;a href="#"&gt;1&lt;/a&gt;
  &lt;a href="#"&gt;1&lt;/a&gt;
  //insert html with jQuery here
  &lt;a href="#"&gt;1&lt;/a&gt;
  &lt;a href="#"&gt;1&lt;/a&gt;
  &lt;a href="#"&gt;1&lt;/a&gt;
  //insert html with jQuery here
  &lt;/div&gt;
  </code></pre>