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Feat/add nosniff examples #1925

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c878c4d
Add example for strict nosniff matching
snehalata2027 Apr 26, 2026
38bfd9e
Add example for strict nosniff matching
snehalata2027 Apr 26, 2026
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9 changes: 9 additions & 0 deletions fetch.bs
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Expand Up @@ -4306,6 +4306,14 @@ X-Content-Type-Options = "nosniff" ; case-insensitive

<li><p>Let <var>destination</var> be <var>request</var>'s <a for=request>destination</a>.

<div class="example" id="example-nosniff-strict">
<p>The <code>X-Content-Type-Options</code> header requires a strict MIME type match. For
example, if a server returns a script with <code>X-Content-Type-Options</code> set to
"<code>nosniff</code>" but the <code>Content-Type</code> header is <code>text/plain</code> or
missing entirely, the user agent will block the response.
</div>


<li><p>If <var>destination</var> is <a for=request/destination>script-like</a> and
<var>mimeType</var> is failure or is not a <a>JavaScript MIME type</a>, then return <b>blocked</b>.

Expand Down Expand Up @@ -10208,6 +10216,7 @@ done only by navigations). The <a>fetch controller</a> is also used to
<h2 id=acknowledgments class=no-num>Acknowledgments</h2>

<p>Thanks to
Sneha Lata
Adam Barth,
Adam Lavin,
Alan Jeffrey,
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