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---
title: Sec-Fetch-Mode
slug: Web/HTTP/Headers/Sec-Fetch-Mode
translation_of: Web/HTTP/Headers/Sec-Fetch-Mode
---
<p>{{HTTPSidebar}}{{Draft}}</p>
<p><strong><code>Sec-Fetch-Mode</code></strong> 获取元数据标头表明了一个请求的模式。</p>
<table class="properties">
<tbody>
<tr>
<th scope="row">Header type</th>
<td>{{Glossary("Fetch Metadata Request Header")}}</td>
</tr>
<tr>
<th scope="row">{{Glossary("Forbidden header name")}}</th>
<td>只要包含前缀 <code>Sec-</code> 都属于应用程序禁止修改的HTTP消息头，用户代理保留全部对它们的控制权</td>
</tr>
<tr>
<th scope="row">{{Glossary("CORS-safelisted request header")}}</th>
<td></td>
</tr>
</tbody>
</table>
<h2 id="语法">语法</h2>
<pre class="syntaxbox notranslate">Sec-Fetch-Mode: cors
Sec-Fetch-Mode: navigate
Sec-Fetch-Mode: nested-navigate
Sec-Fetch-Mode: no-cors
Sec-Fetch-Mode: same-origin
Sec-Fetch-Mode: websocket
</pre>
<h2 id="值">值</h2>
<dl>
<dt><code>cors</code></dt>
<dd></dd>
<dt><code>navigate</code></dt>
<dd></dd>
<dt><code>nested-navigate</code></dt>
<dd></dd>
<dt><code>no-cors</code></dt>
<dd></dd>
<dt><code>same-origin</code></dt>
<dd></dd>
<dt><code>websocket</code></dt>
<dd></dd>
</dl>
<h2 id="示例">示例</h2>
<p>暂时没有内容</p>
<h2 id="规范">规范</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">Specification</th>
<th scope="col">Title</th>
</tr>
</thead>
<tbody>
<tr>
<td><a href="https://w3c.github.io/webappsec-fetch-metadata/#sec-fetch-mode-header">Fetch Metadata Request Headers</a></td>
<td>The Sec-Fetch-Mode HTTP Request Header</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<p>{{Compat("http.headers.Sec-Fetch-Mode")}}</p>
<h2 id="另请参阅">另请参阅</h2>
<ul>
<li>{{HTTPHeader("Sec-Fetch-Site")}}</li>
<li>{{HTTPHeader("Sec-Fetch-User")}}</li>
<li>{{HTTPHeader("Sec-Fetch-Dest")}}</li>
</ul>
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