[wp-trac] [WordPress Trac] #33287: Prompt the user before leaving during core upgrade

[WordPress Trac]

#33287: Prompt the user before leaving during core upgrade
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 Reporter:  helium-3         |       Owner:
     Type:  enhancement      |      Status:  new
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  Upgrade/Install  |     Version:  4.1.6
 Severity:  normal           |  Resolution:
 Keywords:                   |     Focuses:  javascript, administration
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Comment (by atomicjack):

 Agreed. A javascript prompt would be suitable for this - just like when
 leaving a post/page you've started to modify.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33287#comment:1>
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