[wp-trac] [WordPress Trac] #55491: Replace `unload` event handlers from core

[WordPress Trac]

#55491: Replace `unload` event handlers from core
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 Reporter:  shawfactor      |       Owner:  westonruter
     Type:  defect (bug)    |      Status:  accepted
 Priority:  normal          |   Milestone:  6.4
Component:  Administration  |     Version:
 Severity:  normal          |  Resolution:
 Keywords:  has-patch       |     Focuses:  javascript, performance
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Changes (by westonruter):

 * type:  enhancement => defect (bug)


Comment:

 Converting to defect since I learned today that `unload` already is not
 working on some mobile browsers.

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Ticket URL: <https://core.trac.wordpress.org/ticket/55491#comment:32>
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