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Re: Object.observe()able properties on the web platform

From: Andreas Rossberg <rossberg@google.com>
Date: Wed, 20 Aug 2014 20:43:15 +0200
Message-ID: <CADjR9NqtKUnS68OBU9WBHHjnArD18EW-wfEY913NNq00ZyHr4A@mail.gmail.com>
To: "Tab Atkins Jr." <jackalmage@gmail.com>
Cc: Anne van Kesteren <annevk@annevk.nl>, Domenic Denicola <domenic@domenicdenicola.com>, Jonas Sicking <jonas@sicking.cc>, Mounir Lamouri <mounir@lamouri.fr>, Marcos Caceres <w3c@marcosc.com>, "public-script-coord@w3.org" <public-script-coord@w3.org>
On 20 August 2014 17:49, Tab Atkins Jr. <jackalmage@gmail.com> wrote:
> Well, still, reversing the question - are enough properties observable
> that it would be better to have an [Unobservable] extended attribute
> for them, and assume that anything else is observable?  Would really
> cut down on the IDL spam.

Just make sure not to spec anything before you are sure that it
doesn't cost substantial performance. In Chrome, the V8/Blink boundary
is particularly sensitive to that.

Received on Wednesday, 20 August 2014 18:44:12 UTC

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