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Re: [csswg-drafts] [css-overflow] CSSOM scrollWidth/scrollHeight behaviour of "overflow: clip". (#5572)

From: x-Jake-x via GitHub <sysbot+gh@w3.org>
Date: Tue, 06 Oct 2020 08:45:09 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-704124421-1601973907-sysbot+gh@w3.org>
Ah -- whether it's `contain: paint` or `overflow: clip`, the child elements maintain their "scrollWidth" and "scrollHeight". In that respect, you're not really losing the ability to calculate what the size is for the interior of the container.

https://jsfiddle.net/6dcj0fye/

It really does feel like it should be 50 and not 100 in that case.

Really, I'd think this should be `overflow: noscroll` instead of `overflow: clip` to be more semantically indicative of what is happening -- you cannot use specific scrolling functionality with it in JS, it is not considered a scrolling container, it is not related to clip-path (which still allows scrolling with `overflow: scroll`: https://jsfiddle.net/dgs71mo5/ and maintains the calculated scrollWidth and scrollHeight of its child elements) -- but I guess that ship has long since sailed.

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