title: Jquery div strobe
body: <p>I would like to have a div act like a strobe light with jquery. Basicly change the background color from black to white every 500 milliseconds. </p>
  
  <p>How can I do that?</p>
  
  <pre><code>&lt;div id="strobe"&gt;&lt;/div&gt;
  </code></pre>
  
  <p>Thank you!</p>