How to get the last modified time of a HTML document using Javascript
Last modified time
document.lastModified returns the
last modified time of the document.
The return type is string.
Example
<!-- w w w. j a va 2 s . c o m-->
<!DOCTYPE HTML>
<html>
<body>
<script>
document.writeln(document.lastModified);
</script>
</body>
</html>