[wp-trac] [WordPress Trac] #27485: Widget Customizer: WidgetCustomizerPreview is undefined in IE8/9

[WordPress Trac]

#27485: Widget Customizer: WidgetCustomizerPreview is undefined in IE8/9
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 Reporter:  ocean90                  |       Owner:
     Type:  defect (bug)             |      Status:  new
 Priority:  normal                   |   Milestone:  3.9
Component:  Appearance               |     Version:  trunk
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-testing  |     Focuses:  javascript
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Comment (by ocean90):

 In [changeset:"27654"]:
 {{{
 #!CommitTicketReference repository="" revision="27654"
 Widget Customizer: Use Underscores `indexOf` for IE8 compatibility.

 props adamsilverstein.
 see #27485.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/27485#comment:8>
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