[Bug 20189] [Custom]: Provide an event that signals when all custom elements in static source are ready/upgraded

https://www.w3.org/Bugs/Public/show_bug.cgi?id=20189

--- Comment #4 from Dimitri Glazkov <dglazkov@chromium.org> ---
So... here's what I am planning. 

1) The HTML Imports and Custom Elements specs will be written in a way that
ensures that by the time the rendering engine starts running script in the
document, all of the custom elements would have already been upgraded.

2) Technically, this means that we don't need the DOMElementsUpgraded events,
because there's no way for a script to see them in the pre-upgraded state.

3) However, I can totally see how it would be impossible to polyfill this. So,
perhaps we should still have this event, and it would be spec'd to fire just
before the first <script> element block is to be executed by the parser.

WDYT?

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Received on Tuesday, 21 May 2013 20:22:52 UTC