[whatwg] Features for responsive Web design

Mark Callow callow.mark at artspark.co.jp
Tue Oct 9 20:09:15 PDT 2012

On 2012/10/10 6:49, Tab Atkins Jr. wrote:
> On Tue, Oct 9, 2012 at 11:48 AM, Ian Hickson <ian at hixie.ch> wrote:
>> On Tue, 9 Oct 2012, Mark Callow wrote:
>>> On 2012/10/06 7:09, Ian Hickson wrote:
>>>> I agree, when there's 3x displays, this could get to the point where we
>>>> need to solve it. :-)
>>> With the current displays, it's just not that big a deal, IMHO. If by 3x
>>> you mean displays whose dpi is 3x that of CSS pixels (96dpi), they
>>> already exist in retail products. I saw 2 last week.
>> Can you elaborate?
>> How many device pixels per CSS pixel do browsers on those devices use? Are
>> they just making CSS pixels smaller, or are they actually using 3x?
> http://www.zdnet.com/google-nexus-10-tablet-to-have-higher-res-display-than-ipad-7000005466/
> appears to be 299dpi
One of the devices I saw last week is a 10" display with 299dpi; I
strongly suspect it is the one that will be used in this Nexus tablet.

The other device is already on sale. A Sharp SH-10D smartphone sold by
NTT Docomo.  It has a 329 dpi display.

> http://www.iclarified.com/entry/index.php?enid=22223 appears to be 440dpi
> These devices aren't out yet, but I suspect browsers would be
> more-or-less as high-dpi as possible.
I don't know what the browser on the SH-10D is doing, (It's running
Android 4.0) but, given the physical size (4.5"), if they were making
the css pixels smaller, the content would be unreadable. I expect they
are actually using 3x.



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