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Re: ClientRectList.item() usage is very low in Blink

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Wed, 1 Jul 2015 15:24:48 -0700
Message-ID: <CAAWBYDDqZ+dXy7A4_3hg-yo-=KBwtrOQk_gQ9dLj+TH-K-KnDw@mail.gmail.com>
To: Philip Jägenstedt <philipj@opera.com>, Dirk Schulze <dschulze@adobe.com>
Cc: "public-fx@w3.org" <public-fx@w3.org>, www-style list <www-style@w3.org>

On Wed, Jul 1, 2015 at 2:51 PM, Philip Jägenstedt <philipj@opera.com> wrote:
> On Thu, May 28, 2015 at 12:02 AM, Tab Atkins Jr. <jackalmage@gmail.com> wrote:
>> On Wed, May 27, 2015 at 6:21 AM, Philip Jägenstedt <philipj@opera.com> wrote:
>>> http://dev.w3.org/fxtf/geometry/ says "The DOMRectList interface is
>>> at-risk. The authors of this specification await feedback from
>>> implementers if the item() function of DOMRectList is currently in use
>>> on legacy interfaces. If there is no/not enough content to justify
>>> DOMRectList, legacy interfaces must use sequences instead and
>>> DOMRectList will be removed from this specification."
>>> Chrome 43 reached the stable channel about a week ago, and it had a
>>> use counter in Blink to answer this very question:
>>> https://www.chromestatus.com/metrics/feature/timeline/popularity/694
>>> Compare that to another use counter also in the same release:
>>> https://www.chromestatus.com/metrics/feature/timeline/popularity/696
>>> When usage rounds to zero as for ClientRectList.item(), it means that
>>> <0.0001% of page loads are affected. This is no guarantee that
>>> replacing ClientRectList with sequence<ClientRect> as the return value
>>> of Element.getClientRects() and Range.getClientRects() would be safe,
>>> but it's promising.
>>> (Dirk Schulze suggested that I notify public-fx and www-style.)
>> Excellent news. Thanks, Philip!
> Is this issue being tracked somehow, do I need to do something or can
> I sit back and wait?
> Philip
Received on Wednesday, 1 July 2015 22:25:36 UTC

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