[wp-trac] [WordPress Trac] #15650: Inefficient selectors in common.dev.js

[WordPress Trac]

#15650: Inefficient selectors in common.dev.js
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 Reporter:  GamajoTech    |       Owner:                         
     Type:  defect (bug)  |      Status:  new                    
 Priority:  normal        |   Milestone:  Awaiting Review        
Component:  Performance   |     Version:                         
 Severity:  minor         |    Keywords:  has-patch needs-testing
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 There are some repeated jQuery selector lookups that could be cached, and
 incorrect attempts at adding contexts in common.dev.js.

 Some minor optimisations that sacrifices a little bit of code readability,
 for a double speed improvement of caching expensive jQuery selector
 lookups, and reducing the size of common.js by ~300 bytes (5%) when
 minifying.

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Ticket URL: <http://core.trac.wordpress.org/ticket/15650>
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