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docs: add example for X-Content-Type-Options header #1872

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docs: add example for X-Content-Type-Options header #1872

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17 changes: 17 additions & 0 deletions fetch.bs
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Expand Up @@ -4202,6 +4202,23 @@ Content-Type:


<h3 id=x-content-type-options-header>`<code>X-Content-Type-Options</code>` header</h3>
<div class=example>
<p>Example: Using the <code>X-Content-Type-Options</code> header to prevent MIME type sniffing.</p>
<pre><code>HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
X-Content-Type-Options: nosniff

&lt;!doctype html&gt;
&lt;html&gt;
&lt;head&gt;&lt;title&gt;Secure Page&lt;/title&gt;&lt;/head&gt;
&lt;body&gt;
&lt;script src="data:text/plain,alert('This script will be blocked')">&lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;
</code></pre>
<p>This prevents browsers from interpreting resources as a different MIME type than declared,
helping to mitigate certain types of cross-site scripting attacks.</p>
</div>

<p>The
`<dfn export http-header id=http-x-content-type-options><code>X-Content-Type-Options</code></dfn>`
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