javascript - jQuery next and prev button -

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i'm new jquery , use jquery carousel. don't want use plugin.i try make next , prev button color on last , first slide. that's work. problem buttons stay "red" when not more on last , first slide

here demo http://jsfiddle.net/rglsg/70/

$(function(){     var carousel = $('.carousel ul');     var carouselchild = carousel.find('li');     var clickcount = 0;     var canclick = true;      itemwidth = carousel.find('li:first').width()+1; //including margin      //set carousel width won't wrap     carousel.width(itemwidth*carouselchild.length);      //place child elements original locations.     refreshchildposition();      //set event handlers buttons.     $('.btnnext').click(function(e){                 if($(".carousel").find("li:eq(6)").text()!=14) {             if(canclick) {                 canclick = false;                 clickcount++;                 //animate slider left item width                  carousel.stop(false, true).animate({                     left : '-='+itemwidth                 },300, function(){                     //find first item , append last item.                     lastitem = carousel.find('li:first');                     lastitem.remove().appendto(carousel);                     lastitem.css('left', ((carouselchild.length-1)*(itemwidth))+(clickcount*itemwidth));                     canclick = true;                 });             }         }                   if(canclick) {             canclick == 14;  {              $(".btnnext").css('color','red');           }                      canclick = true;          }     });      $('.btnprevious').click(function(){         if($(".carousel").find("li:eq(0)").text()!=1) {             if(canclick){                 canclick = false;                 clickcount--;                 //find first item , append last item.                 lastitem = carousel.find('li:last');                 lastitem.remove().prependto(carousel);                  lastitem.css('left', itemwidth*clickcount);                              //animate slider right item width                  carousel.finish(true).animate({                     left: '+='+itemwidth                 },300, function(){                     canclick = true;                 });             }         }                   if(canclick) {             canclick = false;  {              $(".btnprevious").css('color','red');           }                      canclick = true;          }     });      function refreshchildposition(){         carouselchild.each(function(){             $(this).css('left', itemwidth*carouselchild.index($(this)));         });     } });

just addaed 2 if statments should fix it:

$(function(){ var carousel = $('.carousel ul'); var carouselchild = carousel.find('li'); var clickcount = 0; var canclick = true;  itemwidth = carousel.find('li:first').width()+1; //including margin  //set carousel width won't wrap carousel.width(itemwidth*carouselchild.length);  //place child elements original locations. refreshchildposition();  //set event handlers buttons. $('.btnnext').on("click",function(e){        if($('.btnprevious').css("color")=="rgb(255, 0, 0)"){         $('.btnprevious').css("color","");     }           if($(".carousel").find("li:eq(6)").text()!=14) {         if(canclick) {             canclick = false;             clickcount++;             //animate slider left item width              carousel.stop(false, true).animate({                 left : '-='+itemwidth             },300, function(){                 //find first item , append last item.                 lastitem = carousel.find('li:first');                 lastitem.remove().appendto(carousel);                 lastitem.css('left', ((carouselchild.length-1)*(itemwidth))+(clickcount*itemwidth));                 canclick = true;             });         }     }               if(canclick) {         canclick = false;  {          $(".btnnext").css('color','red');       }                  canclick = true;      } });  $('.btnprevious').on("click",function(){     if($('.btnnext').css("color")=="rgb(255, 0, 0)"){         $('.btnnext').css("color","");     }      if($(".carousel").find("li:eq(0)").text()!=1) {         if(canclick){             canclick = false;             clickcount--;             //find first item , append last item.             lastitem = carousel.find('li:last');             lastitem.remove().prependto(carousel);              lastitem.css('left', itemwidth*clickcount);                          //animate slider right item width              carousel.finish(true).animate({                 left: '+='+itemwidth             },300, function(){                 canclick = true;             });         }     }               if(canclick) {         canclick = false;  {          $(".btnprevious").css('color','red');       }                  canclick = true;      } });  function refreshchildposition(){     carouselchild.each(function(){         $(this).css('left', itemwidth*carouselchild.index($(this)));     }); } });

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