hi,
Refer below example is useful to you.
<html>
<head>
<title>Disable Browser Back Button Using JavaScript</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.10.2/jquery-ui.min.js">
</script>
</head>
<body style="font-family:Arial;font-size:15px;">
<a href="Page2.htm">Click Here...</a>
</body>
<script>
$(document).ready(function() {
function disableBack() { window.history.forward() }
window.onload = disableBack();
window.onpageshow = function(evt) { if (evt.persisted) disableBack() }
});
</script>
</html>