Prev dot 2 problem


#1



https://www.codecademy.com/courses/web-beginner-en-seyrq/0/11?content_from=make-an-interactive-website%3Ajquery-effects#


It says:Oops, try again. Remember to add '.active-dot' to the previous dot.


var main = function (){
    $('.dropdown-toggle').click(function(){
        $('.dropdown-menu').toggle();
    });
    
    $('.arrow-next').click(function(){
        var currentSlide = $('.active-slide');
        var nextSlide = currentSlide.next();
        if (nextSlide.length === 0) {
            nextSlide = $('.slide').first();
        }
            
        currentSlide.fadeOut(600).removeClass('active-slide');
        nextSlide.fadeIn(600).addClass('active-slide');
        
        var currentDot = $('.active-dot');
        var nextDot = currentDot.next();
        if (nextDot.length === 0) {
            nextDot = $('.dot').first();
        }
        
        currentDot.removeClass('active-dot');
        nextDot.addClass('active-dot');
    });
    
    $('.arrow-prev').click(function(){
        var currentSlide = $('.active-slide');
        var prevSlide = currentSlide.prev();
        if (prevSlide.length === 0) {
            prevSlide = $('.slide').last();
             prevDot = $('.dot').last();
        }
        
        currentSlide.fadeOut(600).removeClass('active-slide');
        prevSlide.fadeIn(600).addClass('active-slide');
        
        var currentDot = $('.active-dot');
        var prevDot = currentDot.prev();
        
        currentDot.removeClass('active-dot');
        prevDot.addClass('active-dot');
    });
};

$(document).ready(main);


#2

@catherine77

+++++ flipboard the next && prev steps

You will have to keep a strict order in your code.....

s t e p s - - f o r - - n e x t S l i d e
-1
-1a create a selection of nextSlide (2 steps, capture 'active-slide, capture next() slide )'
-1b create a selection of nextDot
-2 check if selection of nextSlide is EMPTY
-2a if EMPTY change nextSlide selection to first slide
-2b and change nextDot selection to first Dot
-3 swap -active-slide- and -active-dot- class from current to next
Step3 is done by

   currentSlide.fadeOut(600).removeClass('active-slide');
   nextSlide.fadeIn(600).addClass('active-slide');
   currentDot.removeClass('active-dot');
   nextDot.addClass('active-dot');

s t e p s - - f o r - - p r e v S l i d e
-1
-1a create a selection of prevSlide
-1b create a selection of prevDot
-2 check if selection of prevSlide is EMPTY
-2a if EMPTY change prevSlide selection to last slide
-2b and change prevDot selection to last Dot
-3 swap -active-slide- and -active-dot- class from current to prev
Step3 is done by

    currentSlide.fadeOut(600).removeClass('active-slide');
    prevSlide.fadeIn(600).addClass('active-slide');
    currentDot.removeClass('active-dot');
    prevDot.addClass('active-dot');

+++++++++++++++++++++++++++++++++++++
++ jquery length explained AND DOM pictures of flipboard
https://www.codecademy.com/forum_questions/5615308ab62548021c0000e4


#3

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