Investigation requested for beforeprint/afterprint · Issue #5096 · whatwg/html · GitHub
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Investigation requested for beforeprint/afterprint #5096

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Investigation requested for beforeprint/afterprint#5096
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clarificationStandard could be clearerneeds testsMoving the issue forward requires someone to write tests

Description

@annevk
annevk
opened on Nov 18, 2019

If you have A nests B nests C nests D and the user decides to print B (not sure any user agent provides UI for that, but let's assume there is), the specification suggests events in B and C, not D. Is that really what we want?

Also, if you have A nests B1 and B2, what's the order of the events? Does it matter if either B1 or B2 is cross-site? (Is it quicker than postMessage()?)

Marking this as a good first issue as the first step needed here is writing tests for these scenarios, which is relatively straightforward, albeit a bit tedious perhaps. If there are any questions around getting started with tests, do let me know.

Activity

  1. annevk
    added
    clarificationStandard could be clearer
    good first issueIdeal for someone new to a WHATWG standard or software project
    needs testsMoving the issue forward requires someone to write tests
    on Nov 18, 2019

  2. Subhamvk commented on Mar 8, 2022

    @Subhamvk
    Subhamvk
    on Mar 8, 2022 · Hidden as off-topic

  3. domenic commented on May 2, 2022

    @domenic
    domenic
    on May 2, 2022
    Member

    Chromium apparently dispatches recursively on all descendants, but bails out for OOPIFs. Ick.

    It also appears beforeprint might be synchronous.

  4. tawandamoyo commented on Mar 13, 2024

    @tawandamoyo
    tawandamoyo
    on Mar 13, 2024 · Hidden as off-topic

  5. saurabhyuvi14-ai commented on Oct 9, 2025

    @saurabhyuvi14-ai
    saurabhyuvi14-ai
    on Oct 9, 2025 · Hidden as off-topic

  6. Anusha3104 commented on Jun 6, 2026

    @Anusha3104
    Anusha3104
    on Jun 6, 2026 · Hidden as off-topic
  7. sideshowbarker
    removed
    good first issueIdeal for someone new to a WHATWG standard or software project
    on Jun 6, 2026
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