When I was commenting comment 8, I would have said yes. But after thinking more, now my answer is it's hard to tell.. Given that on desktop versions Firefox, with a 100vh height child scrollable container, which entirely covers the browser rendering region, scrolling on the child container should hand off to the parent with `overscroll-behavior: none` style? I don't think so. That's said, on desktop versions of Firefox, the should be the vertical scrollbar on the root scroll container so that users can reach out rest of the contents by dragging the scrollbar. I believe on mobile versions there should also appear the scrollbar, so probably we should just respect the overscroll-behavior style on the target scroll container?
Bug 1814886 Comment 10 Edit History
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When I was commenting comment 8, I would have said yes. But after thinking more, now my answer is it's hard to tell.. Given that on desktop versions Firefox, with a 100vh height child scrollable container, which entirely covers the browser rendering region, scrolling on the child container should hand off to the parent with `overscroll-behavior: none` style? I don't think so. That's said, on desktop versions of Firefox, there should be the vertical scrollbar on the root scroll container so that users can reach out rest of the contents by dragging the scrollbar. I believe on mobile versions there should also appear the scrollbar, so probably we should just respect the overscroll-behavior style on the target scroll container?