Fix #1827 bug where extra setInterval()s can be called during animation.
Fix #1827 bug where extra setInterval()s can be called during animation.


kpozin/jquery-nodom,quiaro/request-agent,ilyakharlamov/jquery-xul,Karyotyper/jquery,mislav/jquery,kpozin/jquery-nodom,jcutrell/jquery,diracdeltas/jquery,RubyLouvre/jquery,npmcomponent/component-jquery,hoorayimhelping/jquery,roytoo/jquery,eburgos/jquery,batiste/jquery,scottjehl/jquery,isaacs/jquery,ilyakharlamov/jquery-xul,RubyLouvre/jquery,Karyotyper/jquery,roytoo/jquery,npmcomponent/component-jquery,fat/jquery,fat/jquery,dtjm/jquery,chitranshi/jquery,eburgos/jquery,sancao2/jquery,dtjm/jquery,demetr84/Jquery,eburgos/jquery,batiste/jquery,gnarf/jquery,praveen9102/Shazam,sancao2/jquery,hoorayimhelping/jquery,diracdeltas/jquery,isaacs/jquery,Karyotyper/jquery,roytoo/jquery,diracdeltas/jquery,jquery/jquery,mislav/jquery,rwaldron/jquery,scottjehl/jquery,jcutrell/jquery,demetr84/Jquery,rwaldron/jquery,praveen9102/Shazam,chitranshi/jquery,jquery/jquery,jquery/jquery,gnarf/jquery,sancao2/jquery