- From: Xidorn Quan <quanxunzhen@gmail.com>
- Date: Wed, 21 Oct 2015 21:17:32 +1100
- To: Simon Pieters <simonp@opera.com>
- Cc: www-style list <www-style@w3.org>
On Wed, Oct 21, 2015 at 6:28 PM, Simon Pieters <simonp@opera.com> wrote: > On Wed, 30 Sep 2015 08:55:09 +0200, Xidorn Quan <quanxunzhen@gmail.com> > wrote: > >> Hi, >> >> I'm going to fix a scrolling issue for RTL mode in Gecko, whose >> solution may depend on the behavior of scrollLeft. Thus I hope to >> confirm with the working group about the behavior first. >> >> It seems that, for scrolling within RTL or vertical-rl >> element/document, the behavior significantly varies across impls. I >> made a page to test the behavior, and also listed the result I saw >> there. [1] >> >> As shown in the table in that page, in all cases with RTL or >> vertical-rl, Gecko returns 0 for scrollLeft when the scrollbar stops >> at the rightmost, and returns negative values otherwise. It seems to >> me that this behavior matches what the CSSOM View spec says [2], but >> doesn't currently match any other impl. >> >> However, since I'm not quite familiar with that spec, and the wording >> looks obscure to me, if anyone can confirm that behavior, that would >> really help. >> >> [1] https://people.mozilla.org/~xquan/scrollleft.html >> [2] https://drafts.csswg.org/cssom-view/#dom-element-scrollleft >> >> Thanks. >> >> - Xidorn >> > > Hi Xidorn, sorry for the delay in replying. > > Yes, the spec is intended to match Gecko. It is consistent with how > position:absolute works, so in my opinion Gecko is most useful for authors. Thanks for your information! - Xidorn
Received on Wednesday, 21 October 2015 10:18:48 UTC