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intermittent bogus modal alert when page has not been edited
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Description

bogus alert when page contents have not changed

Seen in IE9 on beta labs enwiki:

Open any editable page in IE9 (and probably in earlier versions of IE).

Click the Edit tab.
Click the Read tab.

Upon doing this the user often but not always sees an alert saying "Are you sure you want to leave this page?..." as if the page had been edited, but the contents of the page have not changed.

This is a significant cause of flaky browser test automation behavior, for example https://wmf.ci.cloudbees.com/job/browsertests-en.wikipedia.beta.wmflabs.org-windows-internet_explorer_9/17/

I confirmed that this behavior happens when clicking Edit/Read manually as well.


Version: 1.22.0
Severity: normal
OS: Windows 7
Platform: PC

Attached:

Screen_shot_2013-04-29_at_10.40.09_AM.png (492×669 px, 56 KB)

Details

Reference
bz47837

Event Timeline

bzimport raised the priority of this task from to High.Nov 22 2014, 1:21 AM
bzimport set Reference to bz47837.
bzimport added a subscriber: Unknown Object (MLST).