code for adding new elements in javascriipt js
<html>
<head>
<title>t1</title>
<script type="text/javascript">
function addNode()
{var newP = document.createElement("p");
var textNode = document.createTextNode(" This is a new text node");
newP.appendChild(textNode);
document.getElementById("firstP").appendChild(newP); }
</script> </head>
<body> <p id="firstP">firstP<p> </body>
</html>