[wp-trac] [WordPress Trac] #50564: Update jQuery step two

[WordPress Trac]

#50564: Update jQuery step two
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 Reporter:  azaozz                         |       Owner:  (none)
     Type:  task (blessed)                 |      Status:  new
 Priority:  normal                         |   Milestone:  5.6
Component:  External Libraries             |     Version:
 Severity:  normal                         |  Resolution:
 Keywords:  early has-patch needs-testing  |     Focuses:  javascript
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Comment (by keraweb):

 Running the nightly build locally I got some jQuery weirdness, probably
 related to this.

 {{{
 $(elem).css( { 'top': '+=10' } );
 }}}
 This call gets run twice so the element gets a top of 20px instead of 10.
 My first guess is that this might have something to do with migrate but I
 can't pinpoint the actual reason yet.

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Ticket URL: <https://core.trac.wordpress.org/ticket/50564#comment:21>
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