title: How to put this element to first place using jquery
body: <p>I want to make id="a" element div to be the first div in the div.b element.</p>
  
  <p>Here is the code:</p>
  
  <pre><code>&lt;div class='b'&gt;
    &lt;div&gt;a&lt;/div&gt;
    &lt;div&gt;a&lt;/div&gt;
    &lt;div id="a"&gt;I want to put this div to be the first div&lt;/div&gt;
  &lt;/div&gt;
  </code></pre>