title: How to expire a cookie in 30 minutes using jQuery?
body: <p>How to Expire a Cookie in 30 min ? I am using a jQuery cookie.
  I am able to do something like this.</p>
  
  <pre><code>$.cookie("example", "foo", { expires: 1 });
  </code></pre>
  
  <p>This is for 1 day. But how can we set expiry time to 30 min. </p>