Fetch metadata — Sec-Fetch-Dest
This header indicates the _destination_ of the request. This attribute is defined in the Fetch API, where it is exposed as the {{domxref("Request.destination")}} property. We could think of it, roughly, as the way the returned resource would be used. For most {{glossary("replaced elements")}}, the v
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This header indicates the _destination_ of the request. This attribute is defined in the Fetch API, where it is exposed as the {{domxref("Request.destination")}} property.
We could think of it, roughly, as the way the returned resource would be used.
For most {{glossary("replaced elements")}}, the value of the header names the element that this resource will be used for, such as iframe, object, audio, or video. A value of image indicates that the resource will be used as an image referenced by a replaced element such as an HTML {{htmlelement("img")}} element, a CSS {{cssxref("background-image")}} property, an SVG {{svgelement("image")}}, or any other place in the web platform that use images loaded from subresources.
Some other interesting destination values include
document : The request is for a new document that is the target of a top-level navigation (for example, the user clicki
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MDN Web Docs — files/en-us/web/http/guides/fetch_metadata/index.md :: Sec-Fetch-Dest ↗Revision d14bee540b53 · CC-BY-SA-2.5