[wp-trac] [WordPress Trac] #42330: JS error while adding new item to menu using theme customiser.

[WordPress Trac]

#42330: JS error while adding new item to menu using theme customiser.
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 Reporter:  prajaktag     |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  trunk
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Get this js error while creating new menu from themes customiser -
 Uncaught TypeError: Cannot read property 'open' of undefined

 Here is screenshot - https://goo.gl/gVaxBU

 - Uncaught TypeError: Cannot read property 'open' of undefined

 The theme is one page x with beta 3 wordpress.

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Ticket URL: <https://core.trac.wordpress.org/ticket/42330>
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