[Bug 21969] New: [Custom]: add attributeChangedCallback to the set of prototype callbacks

https://www.w3.org/Bugs/Public/show_bug.cgi?id=21969

            Bug ID: 21969
           Summary: [Custom]: add attributeChangedCallback to the set of
                    prototype callbacks
    Classification: Unclassified
           Product: WebAppsWG
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Component Model
          Assignee: dglazkov@chromium.org
          Reporter: sjmiles@chromium.org
        QA Contact: public-webapps-bugzilla@w3.org
            Blocks: 14968

It's particularly difficult to write per-element attribute change observers
with MutationObserver, so it is suggested that Custom Elements spec support an
attributeChangedCallback directly on element prototype.

I believe an asynchronous, end-of-micro-task timing model would be an ideal
solution.

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Received on Wednesday, 8 May 2013 16:53:52 UTC