如何使Javascript文件301重定向?
比如我希望www.domainA.com/1.js 被访问的时候,自动301重定向到www.domainB.com/2.js中。如何来做?
回复内容:
比如我希望www.domainA.com/1.js 被访问的时候,自动301重定向到www.domainB.com/2.js中。如何来做?
301 重定向是来自服务器端的响应,所以只有通过对服务器进行设置或者通过服务器的脚本语言来实现。以 apache
为例,可以通过配置 .htaccess
文件实现,添加语句如下:
<code>redirect 301 /i.js www.domainB.com/2.js </code>
脚本语言的实现以 php
为例,实现语句如下:
<code>header('Location: http://www.domainB.com/', true, 301); exit; </code>
而其他如 javascript
的跳转和 meta
标签的跳转确切来说应该都不属于页面永久定向(即 301 重定向)。
不过有一种方法可以通过 javascript
来实现 301 重定向,即用 javascript
将需要重定向的页面信息存入 cookie
中,然后 php
通过读取 cookie
来判断是否进行 301 重定向,但是这种方法还是离不开后端的支持。
Are 301 redirects possible using javascript or jQuery?
<script language=javascript> if (document.domain =='www.domainA.com/1.js') this.location = "www.domainB.com/2.js"; </script>
在浏览器端不可以实现301.301是由服务器响应的HTTP状态码.

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