[wp-trac] [WordPress Trac] #12009: Add support for HTML 5 "async" and "defer" attributes

[WordPress Trac]

#12009: Add support for HTML 5 "async" and "defer" attributes
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 Reporter:  Otto42         |       Owner:  azaozz
     Type:  enhancement    |      Status:  reopened
 Priority:  normal         |   Milestone:  Awaiting Review
Component:  Script Loader  |     Version:  4.6
 Severity:  normal         |  Resolution:
 Keywords:                 |     Focuses:
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Comment (by LindsayBSC):

 Personally I would appreciate the allowance for setting script tag
 attributes when the script itself is registered but I can also see the
 need for filtering that. For that reason I put together this little bit of
 code to append do (and rewrite) the section of do_item in class.wp-
 scripts.php that does the actual generation of the tag.

 My thinking is that the <script> is the actual tag, and everything else
 including the src and type are attributes. We should be treating
 attributes similarly and thus I felt it best to generate all of the
 attributes at the same time. This could also allow plugins to filter the
 order in which they are output.

 It is somewhat of a combination of the methods suggested in #22249 and
 @Otto42 's suggestions

 I didn't have access to my dev environment to create a diff patch file,
 but here is the code concepts in a multi-site gist with the appropriate
 file names listed alone with the general line number where the code would
 go.

 https://gist.github.com/LinzardMac/dc951d7fabf3fbeb1f10794c3130fecc

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Ticket URL: <https://core.trac.wordpress.org/ticket/12009#comment:35>
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