[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 georgestephanis):

 Personally I'd prefer not to have the defer / async as arguments in the
 register/enqueue script functions, but require a `wp_script_add_data()`
 call afterwards to flag it on -- the same way we do for rtl support.

 Quick tangential gist I threw together for testing of something related,
 if anyone wants to play with deferring now:

 https://gist.github.com/georgestephanis/2a84bc55ad23f4dec2cf2464109add59

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Ticket URL: <https://core.trac.wordpress.org/ticket/12009#comment:34>
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