[wp-trac] [WordPress Trac] #38728: Prevent previewer becoming frozen when refreshing too fast

[WordPress Trac]

#38728: Prevent previewer becoming frozen when refreshing too fast
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 Reporter:  nikeo         |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  4.7
Component:  Customize     |     Version:  trunk
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:
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Comment (by westonruter):

 I can see that there is a race condition where `destroy()` is failing to
 get called expectedly when a new iframe is being loaded before the
 previous has completed loading.

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Ticket URL: <https://core.trac.wordpress.org/ticket/38728#comment:10>
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