[wp-trac] [WordPress Trac] #62629: Begin HTML markup before Customizer script hooks

Mon Dec 2 13:37:16 UTC 2024

#62629: Begin HTML markup before Customizer script hooks
-------------------------+-----------------------------
 Reporter:  sabernhardt  |      Owner:  (none)
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Customize    |    Version:
 Severity:  normal       |   Keywords:
  Focuses:               |
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 Related: #62491

 Styles and scripts that plugins might output in the
 `admin_enqueue_scripts` hook is added before the `<!DOCTYPE>` in the
 Customizer. The resulting //potential// for invalid HTML has existed at
 least as early as 5.0 (and likely back to [27907]).

 Steps:
 1. Activate a classic theme, such as Twenty Twenty.
 2. Output a style or script tag in the `admin_enqueue_scripts` hook
 ([https://core.trac.wordpress.org/ticket/62491#comment:12 sample code
 snippet]) inside a (custom) plugin.
 3. Go to the Customizer.
 4. If your browser lets you view the full page source, check it to find
 your special tag before `<!DOCTYPE>`. If you can only use the inspect
 element tool, you will likely find your tag in the `<head>` (before the
 `http-equiv` meta).

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Ticket URL: <https://core.trac.wordpress.org/ticket/62629>
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