Bug 233802

Summary: Element with position: sticky when changing the orientation of the screen the first time you scroll completely fly off the screen
Product: WebKit Reporter: p_stas1997
Component: CSSAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: simon.fraser, webkit-bug-importer, wenson_hsieh
Priority: P2 Keywords: InRadar
Version: Safari 15   
Hardware: iPhone / iPad   
OS: iOS 15   
Attachments:
Description Flags
slow motion video
none
Screenshot none

p_stas1997
Reported 2021-12-02 23:28:32 PST
Created attachment 445814 [details] slow motion video Element with position: sticky at the first scroll after loading the page (also when changing the screen orientation) can partially or completely fly off the screen See attached slow motion video and screenshot To notice this, turn on the screen recording and watch each frame. Check it https://jsfiddle.net/emhgb9wq/2/ iOS 15.0.2
Attachments
slow motion video (791.92 KB, video/mp4)
2021-12-02 23:28 PST, p_stas1997 		no flags
Details
Screenshot (125.81 KB, image/png)
2021-12-02 23:31 PST, p_stas1997 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
p_stas1997
Comment 1 2021-12-02 23:31:38 PST
Created attachment 445815 [details] Screenshot
Radar WebKit Bug Importer
Comment 2 2021-12-09 23:29:21 PST
<rdar://problem/86309703>
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