Threshold for fast profile?

From: Zach Saucier <zachsaucier@gmail.com>
Date: Fri, 13 Mar 2015 15:07:52 -0400
To: www-style@w3.org
Message-ID: <CAEgnwH7Z1oqa_qwnOXrbRe81D88x_nhZ+jvjAYbuUpBm64XGHQ@mail.gmail.com>

The CSS Selector 4 doc <http://dev.w3.org/csswg/selectors-4/#profiles>
specifies
:has() as the only selector to *not* be a part of the fast profile.
Currently, at what threshold is this determined and how is this tested?

Received on Friday, 13 March 2015 19:08:24 UTC