转 js页面跳转常用的几种方式

 1 <!-- 第一种-->
 2 <script language="javascript" type="text/javascript">
 3 window.location.href="jb51.jsp?backurl="+window.location.href;
 4 </script>
 5
 6 <!-- 第二种-->
 7 <script language="javascript">
 8 alert("返回");
 9 window.history.back(-1);
10 </script>
11
12 <!-- 第三种-->
13 <script language="javascript">
14 window.navigate("jb51.jsp");
15 </script>
16
17 <!-- 第四种-->
18 <script language="JavaScript">
19 self.location=‘jb51.htm‘;
20 </script>
21
22 <!-- 第五种-->
23 <script language="javascript">
24 alert("非法访问！");
25 top.location=‘jb51.jsp‘;
26 </script>
27
28 <!-- 网址从传参获得并转向-->
29 <script language="javascript" type="text/javascript">
30 function request(paras){
31 var url = location.href;
32 var paraString = url.substring(url.indexOf("?")+1,url.length).split("&");
33 var paraObj = {}
34 for (i=0; j=paraString[i]; i++){
35 paraObj[j.substring(0,j.indexOf("=")).toLowerCase()] = j.substring(j.indexOf("=")+1,j.length);
36 }
37 var returnValue = paraObj[paras.toLowerCase()];
38 if(typeof(returnValue)=="undefined"){
39 return "";
40 }else{
41 return returnValue;
42 }
43 }
44 var theurl
45 theurl=request("url");
46 if (theurl!=‘‘){
47 location=theurl
48 }
49 </script> 

转自：http://www.jb51.net/article/25403.htm