jquery - Changing .scrollLeft on Firefox inside the scroll event causes lag -


the best way describe problem provide example:

http://jsfiddle.net/kmpdg/

basically, if @ in chrome, scroll past page 2, should start moving whole page left show page 3 on right. works fine in google chrome, if try same example in firefox... @ point of transition, scrolling becomes slow , sluggish.

i've tried running scroll function through simple function throttle events, worked-ish. in situation sluggishness gone, replaced few millisecond lag (obviously).

have of guys got advice me here?

// code included in case jsfiddle.net fails. $(function() {     $('.totheright').css({         position: "absolute",         left: "100%",         width: "100%"     });     $('#page3').css({         margintop: "40%"     });      var page2offset = $('#page2').offset();     var page2width = $('#page2').width();     var scrollfunc = function() {         var scrolltop = $(window).scrolltop(),             scrollleft = $(window).scrollleft();         if(scrolltop > page2offset.top){             var diff = (scrolltop - page2offset.top) * 4;              if(diff > page2width)                 $('html, body').scrollleft(page2width);             else                 $('html, body').scrollleft(diff);         } else if(scrollleft != 0) {             $('html, body').scrollleft(0);         }     };      $(window).bind('scroll', scrollfunc); });

try following:

$(function() { var page2offset = $('#page2').position(); var page2width = $('#page2').width(); var scrollfunc = function() {     var scrolltop = $(window).scrolltop(),         scrollleft = $(window).scrollleft();     if(scrolltop > page2offset.top){         var diff = (scrolltop - page2offset.top) * 4;          if(diff > page2width)             $('html, body').scrollleft(page2width);         else             $('html, body').scrollleft(diff);     } else if(scrollleft != 0) {         $('html, body').scrollleft(0);     }   };     $(window).bind('scroll', scrollfunc); });

working fiddle here: http://jsfiddle.net/kmpdg/1/


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