Display a dynamical year ( e.g for copyright)
<span id="spanDate"></span>
<script type="text/javascript">
var tomorrow = new Date();
document.getElementById("spanDate").innerHTML = tomorrow.getFullYear()
</script>
Display a dynamical time stamp: day/month/year
<span id="spanDate"></span>
<script type="text/javascript">
var months = ['January','February','March','April','May','June','July',
'August','September','October','November','December'];
var tomorrow = new Date();
tomorrow.setTime(tomorrow.getTime() + (1000*3600*24));
document.getElementById("spanDate").innerHTML = months[tomorrow.getMonth()] + " " + tomorrow.getDate()+ ", " + tomorrow.getFullYear();
</script>