[webkit-dev] Request for position on the aspect-ratio CSS property

Jen Simmons jensimmons at apple.com
Thu Oct 29 14:23:56 PDT 2020

I’ve talked to some folks here, poked around, and we believe it’s probably fine for `aspect-ratio` to override `-webkit-aspect` ratio. 

It looks like Chromium removed `-webkit-aspect`  in 2014 because the "property is parsed and stored on RenderStyle, but it's not used anywhere, i.e. it has no effect.” https://codereview.chromium.org/647723002 <https://codereview.chromium.org/647723002>

I don’t see any Author-facing feature here. There's nothing about it on CSS Tricks, nothing on MDN. My demo does nothing. Looks like aspectRatioNumerator and aspectRatioDenominator appear to be unused.


Jen Simmons
Web Technology Evangelist
Apple, Inc.

> Hi,
> I was looking into aspect-ratio and there is one thing Christian did not 
> mention yet. There is an existing aspect-ratio implementation 
> (https://bugs.webkit.org/show_bug.cgi?id=47738 <https://bugs.webkit.org/show_bug.cgi?id=47738>) that uses the property 
> -webkit-aspect-ratio and seems replaced elements only. Probably 
> aspect-ratio can override -webkit-aspect-ratio, anyway since this may 
> influence the position I thought I should mention it.
> Cheers,
> Rob.
>  >Hello,
>  >I'd like to request an official position the aspect-ratio CSS
>  >property, as both Gecko and Blink are currently implementing it, and
>  >ideally we'd like to ship it soonish.
>  >https://drafts.csswg.org/css-sizing-4/#aspect-ratio <https://drafts.csswg.org/css-sizing-4/#aspect-ratio>
>  >https://docs.google.com/document/d/1VqD0mfkIDyCxQBrrvDw5wEbhXBsmEYIhk6ahiX_fvco/edit# <https://docs.google.com/document/d/1VqD0mfkIDyCxQBrrvDw5wEbhXBsmEYIhk6ahiX_fvco/edit#>
>  >Thanks,
>  >Christian

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