QUESTION add class

[kazu2015]

http://demo.html5xcss3.com/demo.php?cat=...&temp=nina

http://freelancer20.php.xdomain.jp/get11/

I am making a new theme.

I want to add class "active" to a tag.

If you are good at JS or Jquery, it's easy for you.

Please let me know how!

[kazu2015]

<a href=""></a>

<a class="active"></a>

onclick and add class active!