transition

by ginpei

HTML

<p><a href="http://ginpen.com/">Ginpen.com</a></p>

CSS

:link {
  color: #00f;
  -ms-transition: color .5s;
  -moz-transition: color .5s;
  -webkit-transition: color .5s;
  transition: color .5s;
}
:link:hover {
  color: #f00;
}

JavaScript

document.getElementsByTagName('a')[0]
.setAttribute('href', 'http://ginpen.com/?'+Date.now());