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Jquery Next And Prev Button

I'm very new with jQuery and I use this jQuery carousel. I don't want to use any plugin.I try to make my next and prev button another color on last and first slide. That's almost w

Solution 1:

just addaed 2 if statments that 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 so it won't wrap
carousel.width(itemWidth*carouselChild.length);

//Place the child elements to their original locations.refreshChildPosition();

//Set the event handlers for 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 the slider to left as item width 
            carousel.stop(false, true).animate({
                left : '-='+itemWidth
            },300, function(){
                //Find the first item and append it as the 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 the first item and append it as the last item.
            lastItem = carousel.find('li:last');
            lastItem.remove().prependTo(carousel);

            lastItem.css('left', itemWidth*clickCount);             
            //Animate the slider to right as item width 
            carousel.finish(true).animate({
                left: '+='+itemWidth
            },300, function(){
                canClick = true;
            });
        }
    }


            if(canClick) {
        canClick = false;  {
         $(".btnPrevious").css('color','red');  
    }

                canClick = true; 
    }
});

functionrefreshChildPosition(){
    carouselChild.each(function(){
        $(this).css('left', itemWidth*carouselChild.index($(this)));
    });
}
});

Solution 2:

Your javascript is a bit messy. Currently you have this:

if(canClick) {
    canClick = false;  {
         $(".btnNext").css('color','red');  
    }

    canClick = true; 
 }

Which doesn't make sense. And there is no else block to undo the color:

if(canClick) {
    canClick = false;
    $(".btnNext").css('color','red');  
} else {          
    canClick = true; 
    $(".btnNext").css('color','');
}

Solution 3:

$(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 so it won't wrap
    carousel.width(itemWidth * carouselChild.length);

    //Place the child elements to their original locations.refreshChildPosition();

    //Set the event handlers for buttons.
    $('.btnNext').click(function(e) {
        if ($(".carousel").find("li:eq(6)").text() != 14) {
            if (canClick) {
                canClick = false;
                clickCount++;
                //Animate the slider to left as item width 
                carousel.stop(false, true).animate({
                    left: '-=' + itemWidth
                }, 300, function() {
                    //Find the first item and append it as the last item.
                    lastItem = carousel.find('li:first');
                    lastItem.remove().appendTo(carousel);
                    lastItem.css('left', ((carouselChild.length - 1) * (itemWidth)) + (clickCount * itemWidth));
                    canClick = true;
                });
            }
        }
        if ($(".carousel").find("li:eq(0)").text() >= 1) {
            $(".btnPrevious").css('color', '');

        }
        if (canClick) {
            canClick = false; {
                $(".btnNext").css('color', 'red');
            }

            canClick = true;
        }
    });

    $('.btnPrevious').click(function() {
        if ($(".carousel").find("li:eq(0)").text() != 1) {
            if (canClick) {
                canClick = false;
                clickCount--;
                //Find the first item and append it as the last item.
                lastItem = carousel.find('li:last');
                lastItem.remove().prependTo(carousel);

                lastItem.css('left', itemWidth * clickCount);
                //Animate the slider to right as item width 
                carousel.finish(true).animate({
                    left: '+=' + itemWidth
                }, 300, function() {
                    canClick = true;
                });
            }
        }
        if ($(".carousel").find("li:eq(6)").text() != 14){
            $(".btnNext").css('color', '');
        }

        if (canClick) {
            canClick = false; {
                $(".btnPrevious").css('color', 'red');
            }

            canClick = true;
        }
    });

    functionrefreshChildPosition() {
        carouselChild.each(function() {
            $(this).css('left', itemWidth * carouselChild.index($(this)));
        });
    }
});

check this http://jsfiddle.net/rGLsG/92/

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