[wp-trac] [WordPress Trac] #39894: JS heartbeat can run before ready causing exception

[WordPress Trac]

#39894: JS heartbeat can run before ready causing exception
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 Reporter:  programmin    |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  trunk
 Severity:  normal        |   Keywords:
  Focuses:  javascript    |
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 Sometimes where my page is loading slowly I can get the error attached,
 where the element isn't yet available.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39894>
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