Bug 199658

Summary:	calling event.preventDefault() on touchforcechange events prevents scrolling
Product:	WebKit	Reporter:	alexreardon
Component:	UI Events	Assignee:	Nobody <webkit-unassigned>
Status:	NEW
Severity:	Normal	CC:	bdakin, graouts, thorton, webkit-bug-importer, wenson_hsieh
Priority:	P2	Keywords:	InRadar
Version:	Safari 12
Hardware:	Unspecified
OS:	iOS 12

alexreardon

Reported 2019-07-09 22:59:09 PDT

Calling `event.preventDefault()` on `touchforcechange` opts out of native scrolling. It also opts out of click events. Example: https://codesandbox.io/s/touch-events-fspff My understanding is that this is not correct. I would think that `event.preventDefault()` on a `touchforcechange` event should only prevent the default forcechange action from occurring, and not other actions

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alexreardon

Comment 1 2019-07-09 23:00:47 PDT

I do not have access to an old device right now, but I think this might be a recent change

alexreardon

Comment 2 2019-07-09 23:29:24 PDT

Whoops - I meant old OS version

Radar WebKit Bug Importer

Comment 3 2019-07-10 09:08:48 PDT

<rdar://problem/52894746>

Antoine Quint

Comment 4 2019-07-12 02:45:36 PDT

Hi Alex. Could you specify what specific version of iOS this was found in? Thanks.

alexreardon

Comment 5 2019-07-12 04:36:30 PDT

12.3.1

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