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HTML <script> referrerpolicy 属性

❮ HTML <a> 标签

示例

为脚本设置 referrerpolicy

<script src="myscripts.js" referrerpolicy="origin"></script>

定义和用法

The referrerpolicy 属性指定在获取脚本时发送哪些引用信息。


浏览器支持

表格中的数字指定完全支持该属性的第一个浏览器版本。

属性
referrerpolicy 70.0 79.0 65.0

语法

<script referrerpolicy="no-referrer|no-referrer-when-downgrade|origin|origin-when-cross-origin|same-origin|strict-origin-when-cross-origin|unsafe-url">

属性值

描述
no-referrer 不发送任何引用信息
no-referrer-when-downgrade 默认。如果协议安全级别保持不变或更高(HTTP 到 HTTP,HTTPS 到 HTTPS,HTTP 到 HTTPS 可以),则发送来源、路径和查询字符串。发送到安全性较低级别(HTTPS 到 HTTP 不行)时不发送任何内容
origin 发送文档的来源(方案、主机和端口)
origin-when-cross-origin 对于跨源请求,发送文档的来源。对于同源请求,发送来源、路径和查询字符串
same-origin 对于同源请求,发送引用。对于跨源请求,不发送引用
strict-origin-when-cross-origin 如果协议安全级别保持不变或更高(HTTP 到 HTTP,HTTPS 到 HTTPS,以及 HTTP 到 HTTPS 可以),则发送来源。发送到安全性较低级别(HTTPS 到 HTTP)时不发送任何内容
unsafe-url 发送来源、路径和查询字符串(无论安全性如何)。请谨慎使用此值!

❮ HTML <a> 标签
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