[wp-trac] [WordPress Trac] #44019: Class-wp-widget-categories.php causes js error in console.

[WordPress Trac]

#44019: Class-wp-widget-categories.php causes js error in console.
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 Reporter:  arhit         |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Widgets       |     Version:  4.9.5
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:
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Comment (by westonruter):

 It would be more robust to use the `form` property on the `select` element
 to locate the form to submit. See [attachment:44019.0.diff]. The problem
 with that is that the `form` attribute is not available in IE11:
 https://caniuse.com/#feat=form-attribute

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Ticket URL: <https://core.trac.wordpress.org/ticket/44019#comment:1>
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