Bug 191484

Summary: scrolling issue with iframe content that resizes
Product: WebKit Reporter: k.vendrik
Component: FramesAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: simon.fraser, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari 12   
Hardware: iPhone / iPad   
OS: iOS 12   
Attachments:
Description Flags
Codepen demo
none
Codepen Demo 2 none

k.vendrik
Reported 2018-11-09 13:10:58 PST
Created attachment 354377 [details] Codepen demo When the content in an iframe resizes weird scrolling behaviour occurs when typing into a form. In the example below the scrolling jumps up and down when typing. In my app I even ran into issues where it would jump and down on every key press. Codepen: https://codepen.io/kvendrik/pen/zMBWKg iFrame Contents Codepen: https://codepen.io/kvendrik/pen/JeKLbd Demo attached.
Attachments
Codepen demo (4.57 MB, video/mp4)
2018-11-09 13:10 PST, k.vendrik 		no flags
Details
Codepen Demo 2 (4.28 MB, video/mp4)
2018-11-09 13:36 PST, k.vendrik 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
k.vendrik
Comment 1 2018-11-09 13:36:22 PST
Created attachment 354379 [details] Codepen Demo 2 Another demo, note how the scrolling jumps up and down every time I press enter.
Radar WebKit Bug Importer
Comment 2 2018-11-12 10:28:53 PST
<rdar://problem/45994265>
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