https://bugzilla.wikimedia.org/show_bug.cgi?id=47837
Web browser: Internet Explorer
Bug ID: 47837
Summary: intermittent bogus modal alert when page has not been
edited
Product: MediaWiki
Version: unspecified
Hardware: PC
OS: Windows 7
Status: NEW
Keywords: browser-test-bug
Severity: normal
Priority: Unprioritized
Component: Page editing
Assignee: wikibugs-l@lists.wikimedia.org
Reporter: cmcma...@wikimedia.org
Classification: Unclassified
Mobile Platform: ---
Created attachment 12206
--> https://bugzilla.wikimedia.org/attachment.cgi?id=12206&action=edit
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.
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