[wp-trac] [WordPress Trac] #28580: Speed up customizer by lazy-loading controls and settings as needed

[WordPress Trac]

#28580: Speed up customizer by lazy-loading controls and settings as needed
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 Reporter:  westonruter  |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Future Release
Component:  Customize    |     Version:  3.4
 Severity:  normal       |  Resolution:
 Keywords:  needs-patch  |     Focuses:  javascript
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Comment (by kuus):

 Hello, I was just wondering if is there still interest in this ticket. I'm
 definitely interested.
 Especially in this idea:
 > Load sub-section contents only when a panel is entered.
 To keep a light DOM tree, would be great to actually {{{attach}}} and
 {{{detach}}} the DOM of a control only when its section is {{{open}}} /
 {{{closed}}}. You think is possible with the current API (4.1) to get this
 behavior?

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Ticket URL: <https://core.trac.wordpress.org/ticket/28580#comment:12>
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