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<base> does not support data: and javascript: URLs #28865

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annevk opened this issue Aug 31, 2023 · 2 comments · Fixed by #28917
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<base> does not support data: and javascript: URLs #28865

annevk opened this issue Aug 31, 2023 · 2 comments · Fixed by #28917
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Content:HTML Hypertext Markup Language docs

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@annevk
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annevk commented Aug 31, 2023

This has been implemented for quite a while in Chromium and WebKit, but was not yet standardized. That is being addressed now in whatwg/html#9665 and it might also be worth documenting on MDN.
@github-actions github-actions bot added the needs triage Triage needed by staff and/or partners. Automatically applied when an issue is opened. label Aug 31, 2023
@annevk annevk mentioned this issue Aug 31, 2023
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@hamishwillee hamishwillee added the Content:HTML Hypertext Markup Language docs label Aug 31, 2023
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hamishwillee commented Aug 31, 2023 •
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Thanks. Yes it should be documented in <base> and I guess also HTMLBaseElement once dynamic case is fixed.

It it that https and http are the only real valid base URL protocols following this change or are there others? (it would be better to write "only https and http are allowed" than "data and javascript URLs are forbidden).

@hamishwillee hamishwillee removed the needs triage Triage needed by staff and/or partners. Automatically applied when an issue is opened. label Aug 31, 2023
@annevk
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annevk commented Sep 1, 2023

No, all schemes are allowed, except for "data" and "javascript".

This was referenced Sep 4, 2023
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HTML base element: data and javascript URLs disallowed hamishwillee/content
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