Cách 1:
<script language=”javascript” type=”text/javascript”>
window.location.href=”login.jsp?backurl=”+window.location.href;
</script>
Cách 2:
<script type=”text/javascript”>
alert(”back”);
window.history.back(-1);
</script>
Cách 3:
<script type=”text/javascript”>
alert(”Access Violation”);
top.location=”error.jsp”;
</script>
Cách 4:
<script type=”text/javascript”>
self.location=”top.htm”;
</script>
Cách 5:
<script type=”text/javascript”>
window.navigate(”top.jsp”);
</script>
