164512 2016-11-08 06:22:32 -0800 element.focus() inside tall iframe scrolls parent to incorrect screen position 2018-11-12 15:28:45 -0800 1 1 1 Unclassified WebKit DOM Safari 11 iPhone / iPad iOS 11 RESOLVED DUPLICATE 186956 InRadar P2 Normal --- 1 coridyn+bugzilla webkit-unassigned cdumez simon.fraser webkit-bug-importer yann.armelin oldest_to_newest 1249032 0 294157 coridyn+bugzilla 2016-11-08 06:22:32 -0800 Created attachment 294157 iframecontent.html Calling element.focus() on an element inside an iframe taller than the viewport causes the parent to scroll to an incorrect position. Scenario: 1. iframe with content taller than parent viewport (iframe is sized to 100% of its content) 2. iframe has DIV "target" element that sits below viewport page fold 3. Scroll parent page down so "target" element is visible 4. From inside iframe call element.focus() on "target" element 5. The parent page will attempt to scroll the "target" element into view but instead scrolls screen to wrong position so "target" element is no longer visible. With this issue it's not possible to set focus on an HTML element without the target element being scrolled off-screen. Notes: - The issue occurs in iOS 10.1.1 and iOS 10.2 beta 2. - The issue doesn't occur in iOS 9.3.2. - The issue only occurs when focussing on non-input HTML elements e.g. DIV, SPAN, anchor tags. - The issue doesn't occur when setting focus on INPUT elements (parent page scrolls to the correct location). 1249033 1 294158 coridyn+bugzilla 2016-11-08 06:23:49 -0800 Created attachment 294158 reduction 1249037 2 webkit-bug-importer 2016-11-08 08:21:44 -0800 <rdar://problem/29159287> 1429789 3 yann.armelin 2018-06-04 01:59:34 -0700 Issue also occurs when element.scrollIntoView() is called from an iframe. It's still reproducable on last Webkit version compiled locally. 1477760 4 simon.fraser 2018-11-12 15:28:45 -0800 This was fixed by bug 186956. *** This bug has been marked as a duplicate of bug 186956 *** 294157 2016-11-08 06:22:32 -0800 2016-11-08 06:25:06 -0800 iframecontent.html file_164512.txt text/html 3682 coridyn+bugzilla PCFkb2N0eXBlIGh0bWw+DQo8aHRtbCBsYW5nPSJlbiI+DQo8aGVhZD4NCiAgICA8bWV0YSBjaGFy c2V0PSJ1dGYtOCIgLz4NCiAgICA8c3R5bGU+DQogICAgICAgIC5ncmVlbi1ibG9jayB7DQogICAg ICAgICAgICB3aWR0aDogMjBweDsNCiAgICAgICAgICAgIGhlaWdodDogMjBweDsNCiAgICAgICAg ICAgIGJhY2tncm91bmQtY29sb3I6IGdyZWVuOw0KICAgICAgICB9DQogICAgICAgIC5yZWQtYmxv Y2sgew0KICAgICAgICAgICAgd2lkdGg6IDIwcHg7DQogICAgICAgICAgICBoZWlnaHQ6IDIwcHg7 DQogICAgICAgICAgICBiYWNrZ3JvdW5kLWNvbG9yOiByZWQ7DQogICAgICAgIH0NCiAgICA8L3N0 eWxlPg0KICAgIDxzY3JpcHQ+DQogICAgICAgIGZ1bmN0aW9uIGZvY3VzRWwoZXZlbnQsIHNlbGVj dG9yKXsNCiAgICAgICAgICAgIGV2ZW50LnByZXZlbnREZWZhdWx0KCk7DQogICAgICAgICAgICBk 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