[Webkit-unassigned] [Bug 78639] New: [MutationObservers] Clear pending mutation records on disconnect()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=78639

           Summary: [MutationObservers] Clear pending mutation records on
                    disconnect()
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rafaelw at chromium.org
                CC: sam at webkit.org, ojan at chromium.org, rniwa at webkit.org,
                    adamk at chromium.org
            Blocks: 68729


It's pretty strange to call disconnect() and still *possibly* get one invocation of your callback. We should just clear any pending deliveries.

It's possible that script way want to know immediately prior to calling disconnect() *what* mutation records are pending delivery. If this happens in practice, we can add a method to synchronously retrieve & clear pending mutation records.

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