[wp-trac] [WordPress Trac] #30850: Audio/video previews for media controls in the Customizer

[WordPress Trac]

#30850: Audio/video previews for media controls in the Customizer
-------------------------------------+-------------------------
 Reporter:  celloexpressions         |       Owner:
     Type:  enhancement              |      Status:  new
 Priority:  normal                   |   Milestone:  4.2
Component:  Customize                |     Version:  4.1
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-refresh  |     Focuses:  javascript
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Comment (by westonruter):

 I think what you're looking for is:

 {{{#!js
 wp.customize.section( control.section() ).expanded.bind( function (
 expanded ) {
     if ( expanded ) {
         // it is open
     } else {
         // it is closed
     }
 } )
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/30850#comment:7>
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