Hide elements only if the user has JavaScript enabled (e.g. great for a JavaScript animation)
<!-- class will be added, but only if JavasSript is enabled -->
<script type="text/javascript">
document.documentElement.className = 'js';
</script>
<!-- hide elementes if JavaScript is enabled -->
<style type="text/css">
.js .container { display: none; }
</style>
Hide elementes only if JavaScript is enabled.