Bug 197660

Summary: A sticky cell inside a sticky table twitches on scroll
Product: WebKit Reporter: Nikita <nikita.ushkal>
Component: ScrollingAssignee: Nobody <webkit-unassigned>
Status: RESOLVED WORKSFORME    
Severity: Normal CC: bfulgham, mrobinson, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: Safari 12   
Hardware: iPhone / iPad   
OS: iOS 12   
URL: https://kw8rl1pyn7.codesandbox.io/
Attachments:
Description Flags
a screencast
none
a test page none

Nikita
Reported 2019-05-07 08:43:49 PDT
Created attachment 369286 [details] a screencast Example URL: https://kw8rl1pyn7.codesandbox.io/ Steps to reproduce the problem: 1. Open an attached url 2. Scroll a table header horizontally What is the expected behavior? A fixed white cell should remain in the same position What went wrong? A fixed white cell twitches (see the attached video)
Attachments
a screencast (1.92 MB, video/quicktime)
2019-05-07 08:43 PDT, Nikita 		no flags
Details
a test page (2.20 KB, text/html)
2019-05-07 08:44 PDT, Nikita 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Nikita
Comment 1 2019-05-07 08:44:24 PDT
Created attachment 369287 [details] a test page
Radar WebKit Bug Importer
Comment 2 2019-05-07 10:09:34 PDT
<rdar://problem/50544505>
Martin Robinson
Comment 3 2021-11-09 09:31:00 PST
I am able to reproduce this issue with Safari in the simulator. When running the latest from the WebKit repository though, I cannot reproduce it. I think this might be fixed by one of the recent position:sticky improvements.
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