JavaScript DHTML/Node Operation/replaceChild
"replaceChild()" Example
<html>
<body>
<script language="JavaScript">
function function1() {
var newElement = document.createElement("u");
newElement.innerHTML = "Text";
var oldElement = document.all.myBold;
document.all.myDiv.replaceChild(newElement, oldElement);
}
</script>
<button onclick="function1();">Replace text</button>
<div id="myDiv"
style="width:300; height:200; border:solid black 1px;">Sample
<b id="myBold">text</b>
</div>
</body>
</html>