Re: [whatwg/fetch] Skip unnecessary checks when we have a preloaded response candidate in main fetch (PR #1803) from Noam Rosenthal on 2025-01-20 (public-webapps-github@w3.org from January 2025)

From: Noam Rosenthal <notifications@github.com>
Date: Mon, 20 Jan 2025 09:05:55 -0800
To: whatwg/fetch <fetch@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <whatwg/fetch/pull/1803/c2602914820@github.com>

> Looking at this one concern I have is that we preload for X and fulfill for Y. Is that possible? Can I preload something pretending it's going to be used as an image but then have it execute as a script?

That's not possible. See https://html.spec.whatwg.org/multipage/links.html#consume-a-preloaded-resource
The key for the preload cache includes the destination (the `as` attribute). So effectively each `as` has its own map.


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Received on Monday, 20 January 2025 17:05:59 UTC