css - Jquery Hide Vertical scroll button when no more list items -


i need hide next button once items have been displayed.

here full example in http://jsfiddle.net/afnguyen/dpfvq/

and here script trying use:

<script type="text/javascript">         $(document).ready(function () {              $('.prev').css('visibility', 'hidden');              $(document).on("click", ".next", function () {                  $('.prev').css('visibility', 'visible');                  //.onebysix li .w6392597 or height - whatever want scroll height of                 var scrollval = $('.onebysix li').height();                 var currentscrollval = $('.onebysixmiddle').scrolltop();                 $('.onebysixmiddle').scrolltop(scrollval + currentscrollval);                    var maxheight = $('.onebysixmiddle .items').height();                 if (currentscrollval >= maxheight) {                     //hide next button                     $('.next').css('visibility', 'hidden');                 }               });             $(document).on("click", ".prev", function () {                 $('.next').css('visibility', 'visible');                 var scrollval = $('.onebysix li').height();                 var currentscrollval = parseint($('.onebysixmiddle').scrolltop());                 $('.onebysixmiddle').scrolltop(currentscrollval - scrollval);                  if (currentscrollval == 0) {                     //hide next button                     $('.prev').css('visibility', 'hidden');                 }              });         });     </script>

the hide previous works fine:

 if (currentscrollval == 0) {                     //hide next button                     $('.prev').css('visibility', 'hidden');                 }

but m struggling know should put hide next. responsive design making bit harder.

at moment when items have been displayed won t scroll further need hide button aswel.

any appreciated!

change max_height

var maxheight = $('.onebysixmiddle .items').height();

to

var maxheight = $('.onebysixmiddle .items').height() - $('.onebysixmiddle').height();

like fiddle example

also change

if (currentscrollval == 0) {     //hide next button     $('.prev').css('visibility', 'hidden'); }

to 

if (currentscrollval - scrollval == 0) {     //hide next button     $('.prev').css('visibility', 'hidden'); }

and 

if (currentscrollval >= maxheight) {     //hide next button     $('.next').css('visibility', 'hidden'); }

to

if ((currentscrollval + scrollval) >= maxheight) {     //hide next button     $('.next').css('visibility', 'hidden'); }

if want arrows disappear when last page rather having click them again when on last page


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