Re: [css-display-viewport] Enabling fast layout for web apps via isolation from Boris Zbarsky on 2012-12-20 (www-style@w3.org from December 2012)

From: Boris Zbarsky <bzbarsky@MIT.EDU>
Date: Thu, 20 Dec 2012 11:51:47 -0800
To: www-style@w3.org
Message-ID: <50D36C53.6010804@mit.edu>

On 12/20/12 11:46 AM, Simon Fraser wrote:
> Not necessarily. WebKit has a "layout positioned objects only" optimization that attempts to make moving out-of-flow positioned elements fast.

More precisely, WebKit has a spec violation that attempts to make it 
fast.  See http://dbaron.org/css/test/2003/abs-pos-intrinsic3 for a 
testcase WebKit fails as a result.  There should be no horizontal 
scrollbar on that page.

-Boris

Received on Thursday, 20 December 2012 19:52:19 UTC