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javascript document.referrer 用法_javascript技巧

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Release： 2016-05-16 18:53:32
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举例：
1. a.html文件内容如下：
浏览b.html
2. b.html文件中的内容如下：





3. 则在通过a.html中的超链接访问b.html的时候，显示的结果是：
http://127.0.0.1:8180/a.html

说明：

经过测试，需要将两个文件放在服务器中才能得到想要的结果,若直接在本地文件夹中则得到空字符串，若直接在浏览器地址栏中输入b.html的URL地址或使用打开菜单访问b.html，则document.referrer的值为空字符串。
Related labels：
javascript
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