[wp-trac] [WordPress Trac] #35112: Screen Options in Appearance -> Menu not saved correctly sometimes

[WordPress Trac]

#35112: Screen Options in Appearance -> Menu not saved correctly sometimes
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 Reporter:  Asgaros         |       Owner:
     Type:  defect (bug)    |      Status:  new
 Priority:  normal          |   Milestone:  4.4.1
Component:  Administration  |     Version:  4.4
 Severity:  normal          |  Resolution:
 Keywords:                  |     Focuses:  ui, javascript
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Comment (by afercia):

 Additionally, as far as I see, in the Menus screen the "Boxes" checkboxes
 have 2 click events attached. The first one from `postbox.js` by
 `postboxes.add_postbox_toggles()` and the second one from `nav-menus.js`
 by `wpNavMenu.initToggles()`. When the first one is triggered, the AJAX
 call in the second one is triggered too but the ID values are not get yet.
 So there are always 2 AJAX calls and the first one has empty parameters.
 This happens also in previous WP versions and shouldn't be directly
 related to the reported bug.

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Ticket URL: <https://core.trac.wordpress.org/ticket/35112#comment:4>
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