第一种:
<script language="javascript" type="text/javascript">window.location.href="abc.html";</script>
第二种:
<script language="javascript">alert("返回"); window.history.back(-1); </script>
第三种:
<script language="javascript">window.navigate("index.html");</script>
第四种:
<script language="JavaScript">self.location='index.html'; </script>
第五种:
<script language="javascript">alert("非法访问!"); top.location='xxx.html'; </script>