jquery/jquery-mobile — pull request #7228 by gabrielschulhof (2014-03-09 21:32:47+00:00)
Title: Listview performance improvements

addFirstLastClasses: .not( ".ui-screen-hidden" ) -> custom function

http://jsperf.com/dot-not-vs-loop

Fixes gh-7227

Listview: Do not compute .first() if there is only one anchor