[wp-trac] [WordPress Trac] #28687: Removing background image and/or reverting background color to default doesn't remove custom-background body class and remove theme mods

[WordPress Trac]

#28687: Removing background image and/or reverting background color to default
doesn't remove custom-background body class and remove theme mods
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 Reporter:  slobodanmanic  |       Owner:  ocean90
     Type:  defect (bug)   |      Status:  accepted
 Priority:  normal         |   Milestone:  4.2
Component:  Themes         |     Version:  3.9
 Severity:  normal         |  Resolution:
 Keywords:  has-patch      |     Focuses:
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Comment (by obenland):

 Replying to [comment:19 ocean90]:
 > But we need to update the callback for the customize preview too:
 [source:trunk/src/wp-includes/js/customize-preview.js at 31697#L139]

 Is there ever a situation where `color()` doesn't return a color?

 Also: With `wp.customize` holding the currently saved value, do we have
 defaults available anywhere?

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Ticket URL: <https://core.trac.wordpress.org/ticket/28687#comment:20>
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