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Bouncing collapsible tabs when window is certain width
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Description

Author: moussa

Description:
Occasionally when resizing the window, causing the right navigation tabs to start to collapse, the tabs will begin to cycle through the collapsing and expanding animations over and over. A video of the bug in action on mobile can be seen here https://www.dropbox.com/s/rph1olxmxoinwv8/Video%2015-12-2013%2003%2055%2014.mov.

This is reproducible, with some luck, on Wikipedia by visiting the Main Page talk page and resizing the page until the point at which the 'New section' tab collapses. By shrinking and expanding the width of the window a few pixels around this point and refreshing the page, the bug will eventually occur.


Version: 1.23.0
Severity: normal

Details

Reference
bz58682

Event Timeline

bzimport raised the priority of this task from to Normal.
bzimport set Reference to bz58682.
bzimport created this task.Dec 19 2013, 7:10 AM

Change 102632 had a related patch set uploaded by Ori.livneh:
Fix round-off error in Vector's collapsibleTabs.js

https://gerrit.wikimedia.org/r/102632

I could swear I have seen this reported, but can't find any duplicate bug now.

Change 102632 merged by jenkins-bot:
Fix round-off error in Vector's collapsibleTabs.js

https://gerrit.wikimedia.org/r/102632