文件操作 - slick.js

文件: /root/Desktop/OLD/plugin-wordpress/ultimate-carousel-for-elementor/js/slick.js

编辑文件内容

/*
     _ _      _       _
 ___| (_) ___| | __  (_)___
/ __| | |/ __| |/ /  | / __|
\__ \ | | (__|   < _ | \__ \
|___/_|_|\___|_|\_(_)/ |___/
                   |__/

Version: 1.8.1
  Author: Ken Wheeler
 Website: http://kenwheeler.github.io
    Docs: http://kenwheeler.github.io/slick
    Repo: http://github.com/kenwheeler/slick
  Issues: http://github.com/kenwheeler/slick/issues

*/
/* global window, document, define, jQuery, setInterval, clearInterval */
;(function(factory) {
    'use strict';
    if (typeof define === 'function' && define.amd) {
        define(['jquery'], factory);
    } else if (typeof exports !== 'undefined') {
        module.exports = factory(require('jquery'));
    } else {
        factory(jQuery);
    }

}(function($) {
    'use strict';
    var Slick = window.Slick || {};

Slick = (function() {

var instanceUid = 0;

function Slick(element, settings) {

var _ = this, dataSettings;

_.defaults = {
                accessibility: true,
                adaptiveHeight: false,
                appendArrows: $(element),
                appendDots: $(element),
                arrows: true,
                asNavFor: null,
                prevArrow: '<button class="slick-prev" aria-label="Previous" type="button">Previous</button>',
                nextArrow: '<button class="slick-next" aria-label="Next" type="button">Next</button>',
                autoplay: false,
                autoplaySpeed: 3000,
                centerMode: false,
                centerPadding: '50px',
                cssEase: 'ease',
                customPaging: function(slider, i) {
                    return $('<button type="button" />').text(i + 1);
                },
                dots: false,
                dotsClass: 'slick-dots',
                draggable: true,
                easing: 'linear',
                edgeFriction: 0.35,
                fade: false,
                focusOnSelect: false,
                focusOnChange: false,
                infinite: true,
                initialSlide: 0,
                lazyLoad: 'ondemand',
                mobileFirst: false,
                pauseOnHover: true,
                pauseOnFocus: true,
                pauseOnDotsHover: false,
                respondTo: 'window',
                responsive: null,
                rows: 1,
                rtl: false,
                slide: '',
                slidesPerRow: 1,
                slidesToShow: 1,
                slidesToScroll: 1,
                speed: 500,
                swipe: true,
                swipeToSlide: false,
                touchMove: true,
                touchThreshold: 5,
                useCSS: true,
                useTransform: true,
                variableWidth: false,
                vertical: false,
                verticalSwiping: false,
                waitForAnimate: true,
                zIndex: 1000
            };

_.initials = {
                animating: false,
                dragging: false,
                autoPlayTimer: null,
                currentDirection: 0,
                currentLeft: null,
                currentSlide: 0,
                direction: 1,
                $dots: null,
                listWidth: null,
                listHeight: null,
                loadIndex: 0,
                $nextArrow: null,
                $prevArrow: null,
                scrolling: false,
                slideCount: null,
                slideWidth: null,
                $slideTrack: null,
                $slides: null,
                sliding: false,
                slideOffset: 0,
                swipeLeft: null,
                swiping: false,
                $list: null,
                touchObject: {},
                transformsEnabled: false,
                unslicked: false
            };

$.extend(_, _.initials);

_.activeBreakpoint = null;
            _.animType = null;
            _.animProp = null;
            _.breakpoints = [];
            _.breakpointSettings = [];
            _.cssTransitions = false;
            _.focussed = false;
            _.interrupted = false;
            _.hidden = 'hidden';
            _.paused = true;
            _.positionProp = null;
            _.respondTo = null;
            _.rowCount = 1;
            _.shouldClick = true;
            _.$slider = $(element);
            _.$slidesCache = null;
            _.transformType = null;
            _.transitionType = null;
            _.visibilityChange = 'visibilitychange';
            _.windowWidth = 0;
            _.windowTimer = null;

dataSettings = $(element).data('slick') || {};

_.options = $.extend({}, _.defaults, settings, dataSettings);

_.currentSlide = _.options.initialSlide;

_.originalSettings = _.options;

if (typeof document.mozHidden !== 'undefined') {
                _.hidden = 'mozHidden';
                _.visibilityChange = 'mozvisibilitychange';
            } else if (typeof document.webkitHidden !== 'undefined') {
                _.hidden = 'webkitHidden';
                _.visibilityChange = 'webkitvisibilitychange';
            }

_.autoPlay = $.proxy(_.autoPlay, _);
            _.autoPlayClear = $.proxy(_.autoPlayClear, _);
            _.autoPlayIterator = $.proxy(_.autoPlayIterator, _);
            _.changeSlide = $.proxy(_.changeSlide, _);
            _.clickHandler = $.proxy(_.clickHandler, _);
            _.selectHandler = $.proxy(_.selectHandler, _);
            _.setPosition = $.proxy(_.setPosition, _);
            _.swipeHandler = $.proxy(_.swipeHandler, _);
            _.dragHandler = $.proxy(_.dragHandler, _);
            _.keyHandler = $.proxy(_.keyHandler, _);

_.instanceUid = instanceUid++;

// A simple way to check for HTML strings
            // Strict HTML recognition (must start with <)
            // Extracted from jQuery v1.11 source
            _.htmlExpr = /^(?:\s*(<[\w\W]+>)[^>]*)$/;

_.registerBreakpoints();
            _.init(true);

}

return Slick;

}());

Slick.prototype.activateADA = function() {
        var _ = this;

_.$slideTrack.find('.slick-active').attr({
            'aria-hidden': 'false'
        }).find('a, input, button, select').attr({
            'tabindex': '0'
        });

};

Slick.prototype.addSlide = Slick.prototype.slickAdd = function(markup, index, addBefore) {

var _ = this;

if (typeof(index) === 'boolean') {
            addBefore = index;
            index = null;
        } else if (index < 0 || (index >= _.slideCount)) {
            return false;
        }

_.unload();

if (typeof(index) === 'number') {
            if (index === 0 && _.$slides.length === 0) {
                $(markup).appendTo(_.$slideTrack);
            } else if (addBefore) {
                $(markup).insertBefore(_.$slides.eq(index));
            } else {
                $(markup).insertAfter(_.$slides.eq(index));
            }
        } else {
            if (addBefore === true) {
                $(markup).prependTo(_.$slideTrack);
            } else {
                $(markup).appendTo(_.$slideTrack);
            }
        }

_.$slides = _.$slideTrack.children(this.options.slide);

_.$slideTrack.children(this.options.slide).detach();

_.$slideTrack.append(_.$slides);

_.$slides.each(function(index, element) {
            $(element).attr('data-slick-index', index);
        });

_.$slidesCache = _.$slides;

_.reinit();

};

Slick.prototype.animateHeight = function() {
        var _ = this;
        if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
            _.$list.animate({
                height: targetHeight
            }, _.options.speed);
        }
    };

Slick.prototype.animateSlide = function(targetLeft, callback) {

var animProps = {},
            _ = this;

_.animateHeight();

if (_.options.rtl === true && _.options.vertical === false) {
            targetLeft = -targetLeft;
        }
        if (_.transformsEnabled === false) {
            if (_.options.vertical === false) {
                _.$slideTrack.animate({
                    left: targetLeft
                }, _.options.speed, _.options.easing, callback);
            } else {
                _.$slideTrack.animate({
                    top: targetLeft
                }, _.options.speed, _.options.easing, callback);
            }

} else {

if (_.cssTransitions === false) {
                if (_.options.rtl === true) {
                    _.currentLeft = -(_.currentLeft);
                }
                $({
                    animStart: _.currentLeft
                }).animate({
                    animStart: targetLeft
                }, {
                    duration: _.options.speed,
                    easing: _.options.easing,
                    step: function(now) {
                        now = Math.ceil(now);
                        if (_.options.vertical === false) {
                            animProps[_.animType] = 'translate(' +
                                now + 'px, 0px)';
                            _.$slideTrack.css(animProps);
                        } else {
                            animProps[_.animType] = 'translate(0px,' +
                                now + 'px)';
                            _.$slideTrack.css(animProps);
                        }
                    },
                    complete: function() {
                        if (callback) {
                            callback.call();
                        }
                    }
                });

} else {

_.applyTransition();
                targetLeft = Math.ceil(targetLeft);

if (_.options.vertical === false) {
                    animProps[_.animType] = 'translate3d(' + targetLeft + 'px, 0px, 0px)';
                } else {
                    animProps[_.animType] = 'translate3d(0px,' + targetLeft + 'px, 0px)';
                }
                _.$slideTrack.css(animProps);

if (callback) {
                    setTimeout(function() {

_.disableTransition();

callback.call();
                    }, _.options.speed);
                }

}

};

Slick.prototype.getNavTarget = function() {

var _ = this,
            asNavFor = _.options.asNavFor;

if ( asNavFor && asNavFor !== null ) {
            asNavFor = $(asNavFor).not(_.$slider);
        }

return asNavFor;

};

Slick.prototype.asNavFor = function(index) {

var _ = this,
            asNavFor = _.getNavTarget();

if ( asNavFor !== null && typeof asNavFor === 'object' ) {
            asNavFor.each(function() {
                var target = $(this).slick('getSlick');
                if(!target.unslicked) {
                    target.slideHandler(index, true);
                }
            });
        }

};

Slick.prototype.applyTransition = function(slide) {

var _ = this,
            transition = {};

if (_.options.fade === false) {
            transition[_.transitionType] = _.transformType + ' ' + _.options.speed + 'ms ' + _.options.cssEase;
        } else {
            transition[_.transitionType] = 'opacity ' + _.options.speed + 'ms ' + _.options.cssEase;
        }

if (_.options.fade === false) {
            _.$slideTrack.css(transition);
        } else {
            _.$slides.eq(slide).css(transition);
        }

};

Slick.prototype.autoPlay = function() {

var _ = this;

_.autoPlayClear();

if ( _.slideCount > _.options.slidesToShow ) {
            _.autoPlayTimer = setInterval( _.autoPlayIterator, _.options.autoplaySpeed );
        }

};

Slick.prototype.autoPlayClear = function() {

var _ = this;

if (_.autoPlayTimer) {
            clearInterval(_.autoPlayTimer);
        }

};

Slick.prototype.autoPlayIterator = function() {

var _ = this,
            slideTo = _.currentSlide + _.options.slidesToScroll;

if ( !_.paused && !_.interrupted && !_.focussed ) {

if ( _.options.infinite === false ) {

if ( _.direction === 1 && ( _.currentSlide + 1 ) === ( _.slideCount - 1 )) {
                    _.direction = 0;
                }

else if ( _.direction === 0 ) {

slideTo = _.currentSlide - _.options.slidesToScroll;

if ( _.currentSlide - 1 === 0 ) {
                        _.direction = 1;
                    }

}

_.slideHandler( slideTo );

}

};

Slick.prototype.buildArrows = function() {

var _ = this;

if (_.options.arrows === true ) {

_.$prevArrow = $(_.options.prevArrow).addClass('slick-arrow');
            _.$nextArrow = $(_.options.nextArrow).addClass('slick-arrow');

if( _.slideCount > _.options.slidesToShow ) {

_.$prevArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');
                _.$nextArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');

if (_.htmlExpr.test(_.options.prevArrow)) {
                    _.$prevArrow.prependTo(_.options.appendArrows);
                }

if (_.htmlExpr.test(_.options.nextArrow)) {
                    _.$nextArrow.appendTo(_.options.appendArrows);
                }

if (_.options.infinite !== true) {
                    _.$prevArrow
                        .addClass('slick-disabled')
                        .attr('aria-disabled', 'true');
                }

} else {

_.$prevArrow.add( _.$nextArrow )

.addClass('slick-hidden')
                    .attr({
                        'aria-disabled': 'true',
                        'tabindex': '-1'
                    });

}

};

Slick.prototype.buildDots = function() {

var _ = this,
            i, dot;

if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {

_.$slider.addClass('slick-dotted');

dot = $('<ul />').addClass(_.options.dotsClass);

for (i = 0; i <= _.getDotCount(); i += 1) {
                dot.append($('<li />').append(_.options.customPaging.call(this, _, i)));
            }

_.$dots = dot.appendTo(_.options.appendDots);

_.$dots.find('li').first().addClass('slick-active');

}

};

Slick.prototype.buildOut = function() {

var _ = this;

_.$slides =
            _.$slider
                .children( _.options.slide + ':not(.slick-cloned)')
                .addClass('slick-slide');

_.slideCount = _.$slides.length;

_.$slides.each(function(index, element) {
            $(element)
                .attr('data-slick-index', index)
                .data('originalStyling', $(element).attr('style') || '');
        });

_.$slider.addClass('slick-slider');

_.$slideTrack = (_.slideCount === 0) ?
            $('<div class="slick-track"/>').appendTo(_.$slider) :
            _.$slides.wrapAll('<div class="slick-track"/>').parent();

_.$list = _.$slideTrack.wrap(
            '<div class="slick-list"/>').parent();
        _.$slideTrack.css('opacity', 0);

if (_.options.centerMode === true || _.options.swipeToSlide === true) {
            _.options.slidesToScroll = 1;
        }

$('img[data-lazy]', _.$slider).not('[src]').addClass('slick-loading');

_.setupInfinite();

_.buildArrows();

_.buildDots();

_.updateDots();

_.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);

if (_.options.draggable === true) {
            _.$list.addClass('draggable');
        }

};

Slick.prototype.buildRows = function() {

var _ = this, a, b, c, newSlides, numOfSlides, originalSlides,slidesPerSection;

newSlides = document.createDocumentFragment();
        originalSlides = _.$slider.children();

if(_.options.rows > 0) {

slidesPerSection = _.options.slidesPerRow * _.options.rows;
            numOfSlides = Math.ceil(
                originalSlides.length / slidesPerSection
            );

for(a = 0; a < numOfSlides; a++){
                var slide = document.createElement('div');
                for(b = 0; b < _.options.rows; b++) {
                    var row = document.createElement('div');
                    for(c = 0; c < _.options.slidesPerRow; c++) {
                        var target = (a * slidesPerSection + ((b * _.options.slidesPerRow) + c));
                        if (originalSlides.get(target)) {
                            row.appendChild(originalSlides.get(target));
                        }
                    }
                    slide.appendChild(row);
                }
                newSlides.appendChild(slide);
            }

_.$slider.empty().append(newSlides);
            _.$slider.children().children().children()
                .css({
                    'width':(100 / _.options.slidesPerRow) + '%',
                    'display': 'inline-block'
                });

}

};

Slick.prototype.checkResponsive = function(initial, forceUpdate) {

var _ = this,
            breakpoint, targetBreakpoint, respondToWidth, triggerBreakpoint = false;
        var sliderWidth = _.$slider.width();
        var windowWidth = window.innerWidth || $(window).width();

if (_.respondTo === 'window') {
            respondToWidth = windowWidth;
        } else if (_.respondTo === 'slider') {
            respondToWidth = sliderWidth;
        } else if (_.respondTo === 'min') {
            respondToWidth = Math.min(windowWidth, sliderWidth);
        }

if ( _.options.responsive &&
            _.options.responsive.length &&
            _.options.responsive !== null) {

targetBreakpoint = null;

for (breakpoint in _.breakpoints) {
                if (_.breakpoints.hasOwnProperty(breakpoint)) {
                    if (_.originalSettings.mobileFirst === false) {
                        if (respondToWidth < _.breakpoints[breakpoint]) {
                            targetBreakpoint = _.breakpoints[breakpoint];
                        }
                    } else {
                        if (respondToWidth > _.breakpoints[breakpoint]) {
                            targetBreakpoint = _.breakpoints[breakpoint];
                        }
                    }
                }
            }

if (targetBreakpoint !== null) {
                if (_.activeBreakpoint !== null) {
                    if (targetBreakpoint !== _.activeBreakpoint || forceUpdate) {
                        _.activeBreakpoint =
                            targetBreakpoint;
                        if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
                            _.unslick(targetBreakpoint);
                        } else {
                            _.options = $.extend({}, _.originalSettings,
                                _.breakpointSettings[
                                    targetBreakpoint]);
                            if (initial === true) {
                                _.currentSlide = _.options.initialSlide;
                            }
                            _.refresh(initial);
                        }
                        triggerBreakpoint = targetBreakpoint;
                    }
                } else {
                    _.activeBreakpoint = targetBreakpoint;
                    if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
                        _.unslick(targetBreakpoint);
                    } else {
                        _.options = $.extend({}, _.originalSettings,
                            _.breakpointSettings[
                                targetBreakpoint]);
                        if (initial === true) {
                            _.currentSlide = _.options.initialSlide;
                        }
                        _.refresh(initial);
                    }
                    triggerBreakpoint = targetBreakpoint;
                }
            } else {
                if (_.activeBreakpoint !== null) {
                    _.activeBreakpoint = null;
                    _.options = _.originalSettings;
                    if (initial === true) {
                        _.currentSlide = _.options.initialSlide;
                    }
                    _.refresh(initial);
                    triggerBreakpoint = targetBreakpoint;
                }
            }

// only trigger breakpoints during an actual break. not on initialize.
            if( !initial && triggerBreakpoint !== false ) {
                _.$slider.trigger('breakpoint', [_, triggerBreakpoint]);
            }
        }

};

Slick.prototype.changeSlide = function(event, dontAnimate) {

var _ = this,
            $target = $(event.currentTarget),
            indexOffset, slideOffset, unevenOffset;

// If target is a link, prevent default action.
        if($target.is('a')) {
            event.preventDefault();
        }

// If target is not the <li> element (ie: a child), find the <li>.
        if(!$target.is('li')) {
            $target = $target.closest('li');
        }

unevenOffset = (_.slideCount % _.options.slidesToScroll !== 0);
        indexOffset = unevenOffset ? 0 : (_.slideCount - _.currentSlide) % _.options.slidesToScroll;

switch (event.data.message) {

case 'previous':
                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : _.options.slidesToShow - indexOffset;
                if (_.slideCount > _.options.slidesToShow) {
                    _.slideHandler(_.currentSlide - slideOffset, false, dontAnimate);
                }
                break;

case 'next':
                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : indexOffset;
                if (_.slideCount > _.options.slidesToShow) {
                    _.slideHandler(_.currentSlide + slideOffset, false, dontAnimate);
                }
                break;

case 'index':
                var index = event.data.index === 0 ? 0 :
                    event.data.index || $target.index() * _.options.slidesToScroll;

_.slideHandler(_.checkNavigable(index), false, dontAnimate);
                $target.children().trigger('focus');
                break;

default:
                return;
        }

};

Slick.prototype.checkNavigable = function(index) {

var _ = this,
            navigables, prevNavigable;

navigables = _.getNavigableIndexes();
        prevNavigable = 0;
        if (index > navigables[navigables.length - 1]) {
            index = navigables[navigables.length - 1];
        } else {
            for (var n in navigables) {
                if (index < navigables[n]) {
                    index = prevNavigable;
                    break;
                }
                prevNavigable = navigables[n];
            }
        }

return index;
    };

Slick.prototype.cleanUpEvents = function() {

var _ = this;

if (_.options.dots && _.$dots !== null) {

$('li', _.$dots)
                .off('click.slick', _.changeSlide)
                .off('mouseenter.slick', $.proxy(_.interrupt, _, true))
                .off('mouseleave.slick', $.proxy(_.interrupt, _, false));

if (_.options.accessibility === true) {
                _.$dots.off('keydown.slick', _.keyHandler);
            }
        }

_.$slider.off('focus.slick blur.slick');

if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
            _.$prevArrow && _.$prevArrow.off('click.slick', _.changeSlide);
            _.$nextArrow && _.$nextArrow.off('click.slick', _.changeSlide);

if (_.options.accessibility === true) {
                _.$prevArrow && _.$prevArrow.off('keydown.slick', _.keyHandler);
                _.$nextArrow && _.$nextArrow.off('keydown.slick', _.keyHandler);
            }
        }

_.$list.off('touchstart.slick mousedown.slick', _.swipeHandler);
        _.$list.off('touchmove.slick mousemove.slick', _.swipeHandler);
        _.$list.off('touchend.slick mouseup.slick', _.swipeHandler);
        _.$list.off('touchcancel.slick mouseleave.slick', _.swipeHandler);

_.$list.off('click.slick', _.clickHandler);

$(document).off(_.visibilityChange, _.visibility);

_.cleanUpSlideEvents();

if (_.options.accessibility === true) {
            _.$list.off('keydown.slick', _.keyHandler);
        }

if (_.options.focusOnSelect === true) {
            $(_.$slideTrack).children().off('click.slick', _.selectHandler);
        }

$(window).off('orientationchange.slick.slick-' + _.instanceUid, _.orientationChange);

$(window).off('resize.slick.slick-' + _.instanceUid, _.resize);

$('[draggable!=true]', _.$slideTrack).off('dragstart', _.preventDefault);

$(window).off('load.slick.slick-' + _.instanceUid, _.setPosition);

};

Slick.prototype.cleanUpSlideEvents = function() {

var _ = this;

_.$list.off('mouseenter.slick', $.proxy(_.interrupt, _, true));
        _.$list.off('mouseleave.slick', $.proxy(_.interrupt, _, false));

};

Slick.prototype.cleanUpRows = function() {

var _ = this, originalSlides;

if(_.options.rows > 0) {
            originalSlides = _.$slides.children().children();
            originalSlides.removeAttr('style');
            _.$slider.empty().append(originalSlides);
        }

};

Slick.prototype.clickHandler = function(event) {

var _ = this;

if (_.shouldClick === false) {
            event.stopImmediatePropagation();
            event.stopPropagation();
            event.preventDefault();
        }

};

Slick.prototype.destroy = function(refresh) {

var _ = this;

_.autoPlayClear();

_.touchObject = {};

_.cleanUpEvents();

$('.slick-cloned', _.$slider).detach();

if (_.$dots) {
            _.$dots.remove();
        }

if ( _.$prevArrow && _.$prevArrow.length ) {

_.$prevArrow
                .removeClass('slick-disabled slick-arrow slick-hidden')
                .removeAttr('aria-hidden aria-disabled tabindex')
                .css('display','');

if ( _.htmlExpr.test( _.options.prevArrow )) {
                _.$prevArrow.remove();
            }
        }

if ( _.$nextArrow && _.$nextArrow.length ) {

_.$nextArrow
                .removeClass('slick-disabled slick-arrow slick-hidden')
                .removeAttr('aria-hidden aria-disabled tabindex')
                .css('display','');

if ( _.htmlExpr.test( _.options.nextArrow )) {
                _.$nextArrow.remove();
            }
        }

if (_.$slides) {

_.$slides
                .removeClass('slick-slide slick-active slick-center slick-visible slick-current')
                .removeAttr('aria-hidden')
                .removeAttr('data-slick-index')
                .each(function(){
                    $(this).attr('style', $(this).data('originalStyling'));
                });

_.$slideTrack.children(this.options.slide).detach();

_.$slideTrack.detach();

_.$list.detach();

_.$slider.append(_.$slides);
        }

_.cleanUpRows();

_.$slider.removeClass('slick-slider');
        _.$slider.removeClass('slick-initialized');
        _.$slider.removeClass('slick-dotted');

_.unslicked = true;

if(!refresh) {
            _.$slider.trigger('destroy', [_]);
        }

};

Slick.prototype.disableTransition = function(slide) {

var _ = this,
            transition = {};

transition[_.transitionType] = '';

if (_.options.fade === false) {
            _.$slideTrack.css(transition);
        } else {
            _.$slides.eq(slide).css(transition);
        }

};

Slick.prototype.fadeSlide = function(slideIndex, callback) {

var _ = this;

if (_.cssTransitions === false) {

_.$slides.eq(slideIndex).css({
                zIndex: _.options.zIndex
            });

_.$slides.eq(slideIndex).animate({
                opacity: 1
            }, _.options.speed, _.options.easing, callback);

} else {

_.applyTransition(slideIndex);

_.$slides.eq(slideIndex).css({
                opacity: 1,
                zIndex: _.options.zIndex
            });

if (callback) {
                setTimeout(function() {

_.disableTransition(slideIndex);

callback.call();
                }, _.options.speed);
            }

}

};

Slick.prototype.fadeSlideOut = function(slideIndex) {

var _ = this;

if (_.cssTransitions === false) {

_.$slides.eq(slideIndex).animate({
                opacity: 0,
                zIndex: _.options.zIndex - 2
            }, _.options.speed, _.options.easing);

} else {

_.applyTransition(slideIndex);

_.$slides.eq(slideIndex).css({
                opacity: 0,
                zIndex: _.options.zIndex - 2
            });

}

};

Slick.prototype.filterSlides = Slick.prototype.slickFilter = function(filter) {

var _ = this;

if (filter !== null) {

_.$slidesCache = _.$slides;

_.unload();

_.$slideTrack.children(this.options.slide).detach();

_.$slidesCache.filter(filter).appendTo(_.$slideTrack);

_.reinit();

}

};

Slick.prototype.focusHandler = function() {

var _ = this;

// If any child element receives focus within the slider we need to pause the autoplay
        _.$slider
            .off('focus.slick blur.slick')
            .on(
                'focus.slick',
                '*', 
                function(event) {
                    var $sf = $(this);

setTimeout(function() {
                        if( _.options.pauseOnFocus ) {
                            if ($sf.is(':focus')) {
                                _.focussed = true;
                                _.autoPlay();
                            }
                        }
                    }, 0);
                }
            ).on(
                'blur.slick',
                '*', 
                function(event) {
                    var $sf = $(this);

// When a blur occurs on any elements within the slider we become unfocused
                    if( _.options.pauseOnFocus ) {
                        _.focussed = false;
                        _.autoPlay();
                    }
                }
            );
    };

Slick.prototype.getCurrent = Slick.prototype.slickCurrentSlide = function() {

var _ = this;
        return _.currentSlide;

};

Slick.prototype.getDotCount = function() {

var _ = this;

var breakPoint = 0;
        var counter = 0;
        var pagerQty = 0;

if (_.options.infinite === true) {
            if (_.slideCount <= _.options.slidesToShow) {
                 ++pagerQty;
            } else {
                while (breakPoint < _.slideCount) {
                    ++pagerQty;
                    breakPoint = counter + _.options.slidesToScroll;
                    counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
                }
            }
        } else if (_.options.centerMode === true) {
            pagerQty = _.slideCount;
        } else if(!_.options.asNavFor) {
            pagerQty = 1 + Math.ceil((_.slideCount - _.options.slidesToShow) / _.options.slidesToScroll);
        }else {
            while (breakPoint < _.slideCount) {
                ++pagerQty;
                breakPoint = counter + _.options.slidesToScroll;
                counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
            }
        }

return pagerQty - 1;

};

Slick.prototype.getLeft = function(slideIndex) {

var _ = this,
            targetLeft,
            verticalHeight,
            verticalOffset = 0,
            targetSlide,
            coef;

_.slideOffset = 0;
        verticalHeight = _.$slides.first().outerHeight(true);

if (_.options.infinite === true) {
            if (_.slideCount > _.options.slidesToShow) {
                _.slideOffset = (_.slideWidth * _.options.slidesToShow) * -1;
                coef = -1

if (_.options.vertical === true && _.options.centerMode === true) {
                    if (_.options.slidesToShow === 2) {
                        coef = -1.5;
                    } else if (_.options.slidesToShow === 1) {
                        coef = -2
                    }
                }
                verticalOffset = (verticalHeight * _.options.slidesToShow) * coef;
            }
            if (_.slideCount % _.options.slidesToScroll !== 0) {
                if (slideIndex + _.options.slidesToScroll > _.slideCount && _.slideCount > _.options.slidesToShow) {
                    if (slideIndex > _.slideCount) {
                        _.slideOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * _.slideWidth) * -1;
                        verticalOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * verticalHeight) * -1;
                    } else {
                        _.slideOffset = ((_.slideCount % _.options.slidesToScroll) * _.slideWidth) * -1;
                        verticalOffset = ((_.slideCount % _.options.slidesToScroll) * verticalHeight) * -1;
                    }
                }
            }
        } else {
            if (slideIndex + _.options.slidesToShow > _.slideCount) {
                _.slideOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * _.slideWidth;
                verticalOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * verticalHeight;
            }
        }

if (_.slideCount <= _.options.slidesToShow) {
            _.slideOffset = 0;
            verticalOffset = 0;
        }

if (_.options.centerMode === true && _.slideCount <= _.options.slidesToShow) {
            _.slideOffset = ((_.slideWidth * Math.floor(_.options.slidesToShow)) / 2) - ((_.slideWidth * _.slideCount) / 2);
        } else if (_.options.centerMode === true && _.options.infinite === true) {
            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2) - _.slideWidth;
        } else if (_.options.centerMode === true) {
            _.slideOffset = 0;
            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2);
        }

if (_.options.vertical === false) {
            targetLeft = ((slideIndex * _.slideWidth) * -1) + _.slideOffset;
        } else {
            targetLeft = ((slideIndex * verticalHeight) * -1) + verticalOffset;
        }

if (_.options.variableWidth === true) {

if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
            } else {
                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow);
            }

if (_.options.rtl === true) {
                if (targetSlide[0]) {
                    targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
                } else {
                    targetLeft =  0;
                }
            } else {
                targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
            }

if (_.options.centerMode === true) {
                if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
                } else {
                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow + 1);
                }

if (_.options.rtl === true) {
                    if (targetSlide[0]) {
                        targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
                    } else {
                        targetLeft =  0;
                    }
                } else {
                    targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
                }

targetLeft += (_.$list.width() - targetSlide.outerWidth()) / 2;
            }
        }

return targetLeft;

};

Slick.prototype.getOption = Slick.prototype.slickGetOption = function(option) {

var _ = this;

return _.options[option];

};

Slick.prototype.getNavigableIndexes = function() {

var _ = this,
            breakPoint = 0,
            counter = 0,
            indexes = [],
            max;

if (_.options.infinite === false) {
            max = _.slideCount;
        } else {
            breakPoint = _.options.slidesToScroll * -1;
            counter = _.options.slidesToScroll * -1;
            max = _.slideCount * 2;
        }

while (breakPoint < max) {
            indexes.push(breakPoint);
            breakPoint = counter + _.options.slidesToScroll;
            counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
        }

return indexes;

};

Slick.prototype.getSlick = function() {

return this;

};

Slick.prototype.getSlideCount = function() {

var _ = this,
            slidesTraversed, swipedSlide, swipeTarget, centerOffset;

centerOffset = _.options.centerMode === true ? Math.floor(_.$list.width() / 2) : 0;
        swipeTarget = (_.swipeLeft * -1) + centerOffset;

if (_.options.swipeToSlide === true) {

_.$slideTrack.find('.slick-slide').each(function(index, slide) {

var slideOuterWidth, slideOffset, slideRightBoundary;
                slideOuterWidth = $(slide).outerWidth();
                slideOffset = slide.offsetLeft;
                if (_.options.centerMode !== true) {
                    slideOffset += (slideOuterWidth / 2);
                }

slideRightBoundary = slideOffset + (slideOuterWidth);

if (swipeTarget < slideRightBoundary) {
                    swipedSlide = slide;
                    return false;
                }
            });

slidesTraversed = Math.abs($(swipedSlide).attr('data-slick-index') - _.currentSlide) || 1;

return slidesTraversed;

} else {
            return _.options.slidesToScroll;
        }

};

Slick.prototype.goTo = Slick.prototype.slickGoTo = function(slide, dontAnimate) {

var _ = this;

_.changeSlide({
            data: {
                message: 'index',
                index: parseInt(slide)
            }
        }, dontAnimate);

};

Slick.prototype.init = function(creation) {

var _ = this;

if (!$(_.$slider).hasClass('slick-initialized')) {

$(_.$slider).addClass('slick-initialized');

_.buildRows();
            _.buildOut();
            _.setProps();
            _.startLoad();
            _.loadSlider();
            _.initializeEvents();
            _.updateArrows();
            _.updateDots();
            _.checkResponsive(true);
            _.focusHandler();

}

if (creation) {
            _.$slider.trigger('init', [_]);
        }

if (_.options.accessibility === true) {
            _.initADA();
        }

if ( _.options.autoplay ) {

_.paused = false;
            _.autoPlay();

}

};

Slick.prototype.initADA = function() {
        var _ = this,
                numDotGroups = Math.ceil(_.slideCount / _.options.slidesToShow),
                tabControlIndexes = _.getNavigableIndexes().filter(function(val) {
                    return (val >= 0) && (val < _.slideCount);
                });

_.$slides.add(_.$slideTrack.find('.slick-cloned')).attr({
            'aria-hidden': 'true',
            'tabindex': '-1'
        }).find('a, input, button, select').attr({
            'tabindex': '-1'
        });

if (_.$dots !== null) {
            _.$slides.not(_.$slideTrack.find('.slick-cloned')).each(function(i) {
                var slideControlIndex = tabControlIndexes.indexOf(i);

$(this).attr({
                    'role': 'tabpanel',
                    'id': 'slick-slide' + _.instanceUid + i,
                    'tabindex': -1
                });

if (slideControlIndex !== -1) {
                   var ariaButtonControl = 'slick-slide-control' + _.instanceUid + slideControlIndex
                   if ($('#' + ariaButtonControl).length) {
                     $(this).attr({
                         'aria-describedby': ariaButtonControl
                     });
                   }
                }
            });

_.$dots.attr('role', 'tablist').find('li').each(function(i) {
                var mappedSlideIndex = tabControlIndexes[i];

$(this).attr({
                    'role': 'presentation'
                });

$(this).find('button').first().attr({
                    'role': 'tab',
                    'id': 'slick-slide-control' + _.instanceUid + i,
                    'aria-controls': 'slick-slide' + _.instanceUid + mappedSlideIndex,
                    'aria-label': (i + 1) + ' of ' + numDotGroups,
                    'aria-selected': null,
                    'tabindex': '-1'
                });

}).eq(_.currentSlide).find('button').attr({
                'aria-selected': 'true',
                'tabindex': '0'
            }).end();
        }

for (var i=_.currentSlide, max=i+_.options.slidesToShow; i < max; i++) {
          if (_.options.focusOnChange) {
            _.$slides.eq(i).attr({'tabindex': '0'});
          } else {
            _.$slides.eq(i).removeAttr('tabindex');
          }
        }

_.activateADA();

};

Slick.prototype.initArrowEvents = function() {

var _ = this;

if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
            _.$prevArrow
               .off('click.slick')
               .on('click.slick', {
                    message: 'previous'
               }, _.changeSlide);
            _.$nextArrow
               .off('click.slick')
               .on('click.slick', {
                    message: 'next'
               }, _.changeSlide);

if (_.options.accessibility === true) {
                _.$prevArrow.on('keydown.slick', _.keyHandler);
                _.$nextArrow.on('keydown.slick', _.keyHandler);
            }
        }

};

Slick.prototype.initDotEvents = function() {

var _ = this;

if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
            $('li', _.$dots).on('click.slick', {
                message: 'index'
            }, _.changeSlide);

if (_.options.accessibility === true) {
                _.$dots.on('keydown.slick', _.keyHandler);
            }
        }

if (_.options.dots === true && _.options.pauseOnDotsHover === true && _.slideCount > _.options.slidesToShow) {

$('li', _.$dots)
                .on('mouseenter.slick', $.proxy(_.interrupt, _, true))
                .on('mouseleave.slick', $.proxy(_.interrupt, _, false));

}

};

Slick.prototype.initSlideEvents = function() {

var _ = this;

if ( _.options.pauseOnHover ) {

_.$list.on('mouseenter.slick', $.proxy(_.interrupt, _, true));
            _.$list.on('mouseleave.slick', $.proxy(_.interrupt, _, false));

}

};

Slick.prototype.initializeEvents = function() {

var _ = this;

_.initArrowEvents();

_.initDotEvents();
        _.initSlideEvents();

_.$list.on('touchstart.slick mousedown.slick', {
            action: 'start'
        }, _.swipeHandler);
        _.$list.on('touchmove.slick mousemove.slick', {
            action: 'move'
        }, _.swipeHandler);
        _.$list.on('touchend.slick mouseup.slick', {
            action: 'end'
        }, _.swipeHandler);
        _.$list.on('touchcancel.slick mouseleave.slick', {
            action: 'end'
        }, _.swipeHandler);

_.$list.on('click.slick', _.clickHandler);

$(document).on(_.visibilityChange, $.proxy(_.visibility, _));

if (_.options.accessibility === true) {
            _.$list.on('keydown.slick', _.keyHandler);
        }

if (_.options.focusOnSelect === true) {
            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
        }

$(window).on('orientationchange.slick.slick-' + _.instanceUid, $.proxy(_.orientationChange, _));

$(window).on('resize.slick.slick-' + _.instanceUid, $.proxy(_.resize, _));

$('[draggable!=true]', _.$slideTrack).on('dragstart', _.preventDefault);

$(window).on('load.slick.slick-' + _.instanceUid, _.setPosition);
        $(_.setPosition);

};

Slick.prototype.initUI = function() {

var _ = this;

if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {

_.$prevArrow.show();
            _.$nextArrow.show();

}

if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {

_.$dots.show();

}

};

Slick.prototype.keyHandler = function(event) {

};

Slick.prototype.lazyLoad = function() {

var _ = this,
            loadRange, cloneRange, rangeStart, rangeEnd;

function loadImages(imagesScope) {

$('img[data-lazy]', imagesScope).each(function() {

var image = $(this),
                    imageSource = $(this).attr('data-lazy'),
                    imageSrcSet = $(this).attr('data-srcset'),
                    imageSizes  = $(this).attr('data-sizes') || _.$slider.attr('data-sizes'),
                    imageToLoad = document.createElement('img');

imageToLoad.onload = function() {

image
                        .animate({ opacity: 0 }, 100, function() {

if (imageSrcSet) {
                                image
                                    .attr('srcset', imageSrcSet );

if (imageSizes) {
                                    image
                                        .attr('sizes', imageSizes );
                                }
                            }

image
                                .attr('src', imageSource)
                                .animate({ opacity: 1 }, 200, function() {
                                    image
                                        .removeAttr('data-lazy data-srcset data-sizes')
                                        .removeClass('slick-loading');
                                });
                            _.$slider.trigger('lazyLoaded', [_, image, imageSource]);
                        });

};

imageToLoad.onerror = function() {

image
                        .removeAttr( 'data-lazy' )
                        .removeClass( 'slick-loading' )
                        .addClass( 'slick-lazyload-error' );

_.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);

};

imageToLoad.src = imageSource;

});

}

if (_.options.centerMode === true) {
            if (_.options.infinite === true) {
                rangeStart = _.currentSlide + (_.options.slidesToShow / 2 + 1);
                rangeEnd = rangeStart + _.options.slidesToShow + 2;
            } else {
                rangeStart = Math.max(0, _.currentSlide - (_.options.slidesToShow / 2 + 1));
                rangeEnd = 2 + (_.options.slidesToShow / 2 + 1) + _.currentSlide;
            }
        } else {
            rangeStart = _.options.infinite ? _.options.slidesToShow + _.currentSlide : _.currentSlide;
            rangeEnd = Math.ceil(rangeStart + _.options.slidesToShow);
            if (_.options.fade === true) {
                if (rangeStart > 0) rangeStart--;
                if (rangeEnd <= _.slideCount) rangeEnd++;
            }
        }

loadRange = _.$slider.find('.slick-slide').slice(rangeStart, rangeEnd);

if (_.options.lazyLoad === 'anticipated') {
            var prevSlide = rangeStart - 1,
                nextSlide = rangeEnd,
                $slides = _.$slider.find('.slick-slide');

for (var i = 0; i < _.options.slidesToScroll; i++) {
                if (prevSlide < 0) prevSlide = _.slideCount - 1;
                loadRange = loadRange.add($slides.eq(prevSlide));
                loadRange = loadRange.add($slides.eq(nextSlide));
                prevSlide--;
                nextSlide++;
            }
        }

loadImages(loadRange);

if (_.slideCount <= _.options.slidesToShow) {
            cloneRange = _.$slider.find('.slick-slide');
            loadImages(cloneRange);
        } else
        if (_.currentSlide >= _.slideCount - _.options.slidesToShow) {
            cloneRange = _.$slider.find('.slick-cloned').slice(0, _.options.slidesToShow);
            loadImages(cloneRange);
        } else if (_.currentSlide === 0) {
            cloneRange = _.$slider.find('.slick-cloned').slice(_.options.slidesToShow * -1);
            loadImages(cloneRange);
        }

};

Slick.prototype.loadSlider = function() {

var _ = this;

_.setPosition();

_.$slideTrack.css({
            opacity: 1
        });

_.$slider.removeClass('slick-loading');

_.initUI();

if (_.options.lazyLoad === 'progressive') {
            _.progressiveLazyLoad();
        }

};

Slick.prototype.next = Slick.prototype.slickNext = function() {

var _ = this;

_.changeSlide({
            data: {
                message: 'next'
            }
        });

};

Slick.prototype.orientationChange = function() {

var _ = this;

_.checkResponsive();
        _.setPosition();

};

Slick.prototype.pause = Slick.prototype.slickPause = function() {

var _ = this;

_.autoPlayClear();
        _.paused = true;

};

Slick.prototype.play = Slick.prototype.slickPlay = function() {

var _ = this;

_.autoPlay();
        _.options.autoplay = true;
        _.paused = false;
        _.focussed = false;
        _.interrupted = false;

};

Slick.prototype.postSlide = function(index) {

var _ = this;

if( !_.unslicked ) {

_.$slider.trigger('afterChange', [_, index]);

_.animating = false;

if (_.slideCount > _.options.slidesToShow) {
                _.setPosition();
            }

_.swipeLeft = null;

if ( _.options.autoplay ) {
                _.autoPlay();
            }

if (_.options.accessibility === true) {
                _.initADA();

if (_.options.focusOnChange) {
                    var $currentSlide = $(_.$slides.get(_.currentSlide));
                    $currentSlide.attr('tabindex', 0).focus();
                }
            }

}

};

Slick.prototype.prev = Slick.prototype.slickPrev = function() {

var _ = this;

_.changeSlide({
            data: {
                message: 'previous'
            }
        });

};

Slick.prototype.preventDefault = function(event) {

event.preventDefault();

};

Slick.prototype.progressiveLazyLoad = function( tryCount ) {

tryCount = tryCount || 1;

var _ = this,
            $imgsToLoad = $( 'img[data-lazy]', _.$slider ),
            image,
            imageSource,
            imageSrcSet,
            imageSizes,
            imageToLoad;

if ( $imgsToLoad.length ) {

image = $imgsToLoad.first();
            imageSource = image.attr('data-lazy');
            imageSrcSet = image.attr('data-srcset');
            imageSizes  = image.attr('data-sizes') || _.$slider.attr('data-sizes');
            imageToLoad = document.createElement('img');

imageToLoad.onload = function() {

if (imageSrcSet) {
                    image
                        .attr('srcset', imageSrcSet );

if (imageSizes) {
                        image
                            .attr('sizes', imageSizes );
                    }
                }

image
                    .attr( 'src', imageSource )
                    .removeAttr('data-lazy data-srcset data-sizes')
                    .removeClass('slick-loading');

if ( _.options.adaptiveHeight === true ) {
                    _.setPosition();
                }

_.$slider.trigger('lazyLoaded', [ _, image, imageSource ]);
                _.progressiveLazyLoad();

};

imageToLoad.onerror = function() {

if ( tryCount < 3 ) {

/**
                     * try to load the image 3 times,
                     * leave a slight delay so we don't get
                     * servers blocking the request.
                     */
                    setTimeout( function() {
                        _.progressiveLazyLoad( tryCount + 1 );
                    }, 500 );

} else {

image
                        .removeAttr( 'data-lazy' )
                        .removeClass( 'slick-loading' )
                        .addClass( 'slick-lazyload-error' );

_.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);

_.progressiveLazyLoad();

}

};

imageToLoad.src = imageSource;

} else {

_.$slider.trigger('allImagesLoaded', [ _ ]);

}

};

Slick.prototype.refresh = function( initializing ) {

var _ = this, currentSlide, lastVisibleIndex;

lastVisibleIndex = _.slideCount - _.options.slidesToShow;

// in non-infinite sliders, we don't want to go past the
        // last visible index.
        if( !_.options.infinite && ( _.currentSlide > lastVisibleIndex )) {
            _.currentSlide = lastVisibleIndex;
        }

// if less slides than to show, go to start.
        if ( _.slideCount <= _.options.slidesToShow ) {
            _.currentSlide = 0;

}

currentSlide = _.currentSlide;

_.destroy(true);

$.extend(_, _.initials, { currentSlide: currentSlide });

_.init();

if( !initializing ) {

_.changeSlide({
                data: {
                    message: 'index',
                    index: currentSlide
                }
            }, false);

}

};

Slick.prototype.registerBreakpoints = function() {

var _ = this, breakpoint, currentBreakpoint, l,
            responsiveSettings = _.options.responsive || null;

if ( $.type(responsiveSettings) === 'array' && responsiveSettings.length ) {

_.respondTo = _.options.respondTo || 'window';

for ( breakpoint in responsiveSettings ) {

l = _.breakpoints.length-1;

if (responsiveSettings.hasOwnProperty(breakpoint)) {
                    currentBreakpoint = responsiveSettings[breakpoint].breakpoint;

// loop through the breakpoints and cut out any existing
                    // ones with the same breakpoint number, we don't want dupes.
                    while( l >= 0 ) {
                        if( _.breakpoints[l] && _.breakpoints[l] === currentBreakpoint ) {
                            _.breakpoints.splice(l,1);
                        }
                        l--;
                    }

_.breakpoints.push(currentBreakpoint);
                    _.breakpointSettings[currentBreakpoint] = responsiveSettings[breakpoint].settings;

}

_.breakpoints.sort(function(a, b) {
                return ( _.options.mobileFirst ) ? a-b : b-a;
            });

}

};

Slick.prototype.reinit = function() {

var _ = this;

_.$slides =
            _.$slideTrack
                .children(_.options.slide)
                .addClass('slick-slide');

_.slideCount = _.$slides.length;

if (_.currentSlide >= _.slideCount && _.currentSlide !== 0) {
            _.currentSlide = _.currentSlide - _.options.slidesToScroll;
        }

if (_.slideCount <= _.options.slidesToShow) {
            _.currentSlide = 0;
        }

_.registerBreakpoints();

_.setProps();
        _.setupInfinite();
        _.buildArrows();
        _.updateArrows();
        _.initArrowEvents();
        _.buildDots();
        _.updateDots();
        _.initDotEvents();
        _.cleanUpSlideEvents();
        _.initSlideEvents();

_.checkResponsive(false, true);

if (_.options.focusOnSelect === true) {
            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
        }

_.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);

_.setPosition();
        _.focusHandler();

_.paused = !_.options.autoplay;
        _.autoPlay();

_.$slider.trigger('reInit', [_]);

};

Slick.prototype.resize = function() {

var _ = this;

if ($(window).width() !== _.windowWidth) {
            clearTimeout(_.windowDelay);
            _.windowDelay = window.setTimeout(function() {
                _.windowWidth = $(window).width();
                _.checkResponsive();
                if( !_.unslicked ) { _.setPosition(); }
            }, 50);
        }
    };

Slick.prototype.removeSlide = Slick.prototype.slickRemove = function(index, removeBefore, removeAll) {

var _ = this;

if (typeof(index) === 'boolean') {
            removeBefore = index;
            index = removeBefore === true ? 0 : _.slideCount - 1;
        } else {
            index = removeBefore === true ? --index : index;
        }

if (_.slideCount < 1 || index < 0 || index > _.slideCount - 1) {
            return false;
        }

_.unload();

if (removeAll === true) {
            _.$slideTrack.children().remove();
        } else {
            _.$slideTrack.children(this.options.slide).eq(index).remove();
        }

_.$slides = _.$slideTrack.children(this.options.slide);

_.$slideTrack.children(this.options.slide).detach();

_.$slideTrack.append(_.$slides);

_.$slidesCache = _.$slides;

_.reinit();

};

Slick.prototype.setCSS = function(position) {

var _ = this,
            positionProps = {},
            x, y;

if (_.options.rtl === true) {
            position = -position;
        }
        x = _.positionProp == 'left' ? Math.ceil(position) + 'px' : '0px';
        y = _.positionProp == 'top' ? Math.ceil(position) + 'px' : '0px';

positionProps[_.positionProp] = position;

if (_.transformsEnabled === false) {
            _.$slideTrack.css(positionProps);
        } else {
            positionProps = {};
            if (_.cssTransitions === false) {
                positionProps[_.animType] = 'translate(' + x + ', ' + y + ')';
                _.$slideTrack.css(positionProps);
            } else {
                positionProps[_.animType] = 'translate3d(' + x + ', ' + y + ', 0px)';
                _.$slideTrack.css(positionProps);
            }
        }

};

Slick.prototype.setDimensions = function() {

var _ = this;

if (_.options.vertical === false) {
            if (_.options.centerMode === true) {
                _.$list.css({
                    padding: ('0px ' + _.options.centerPadding)
                });
            }
        } else {
            _.$list.height(_.$slides.first().outerHeight(true) * _.options.slidesToShow);
            if (_.options.centerMode === true) {
                _.$list.css({
                    padding: (_.options.centerPadding + ' 0px')
                });
            }
        }

_.listWidth = _.$list.width();
        _.listHeight = _.$list.height();

if (_.options.vertical === false && _.options.variableWidth === false) {
            _.slideWidth = Math.ceil(_.listWidth / _.options.slidesToShow);
            _.$slideTrack.width(Math.ceil((_.slideWidth * _.$slideTrack.children('.slick-slide').length)));

} else if (_.options.variableWidth === true) {
            _.$slideTrack.width(5000 * _.slideCount);
        } else {
            _.slideWidth = Math.ceil(_.listWidth);
            _.$slideTrack.height(Math.ceil((_.$slides.first().outerHeight(true) * _.$slideTrack.children('.slick-slide').length)));
        }

var offset = _.$slides.first().outerWidth(true) - _.$slides.first().width();
        if (_.options.variableWidth === false) _.$slideTrack.children('.slick-slide').width(_.slideWidth - offset);

};

Slick.prototype.setFade = function() {

var _ = this,
            targetLeft;

_.$slides.each(function(index, element) {
            targetLeft = (_.slideWidth * index) * -1;
            if (_.options.rtl === true) {
                $(element).css({
                    position: 'relative',
                    right: targetLeft,
                    top: 0,
                    zIndex: _.options.zIndex - 2,
                    opacity: 0
                });
            } else {
                $(element).css({
                    position: 'relative',
                    left: targetLeft,
                    top: 0,
                    zIndex: _.options.zIndex - 2,
                    opacity: 0
                });
            }
        });

_.$slides.eq(_.currentSlide).css({
            zIndex: _.options.zIndex - 1,
            opacity: 1
        });

};

Slick.prototype.setHeight = function() {

var _ = this;

if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
            _.$list.css('height', targetHeight);
        }

};

Slick.prototype.setOption =
    Slick.prototype.slickSetOption = function() {

/**
         * accepts arguments in format of:
         *
         *  - for changing a single option's value:
         *     .slick("setOption", option, value, refresh )
         *
         *  - for changing a set of responsive options:
         *     .slick("setOption", 'responsive', [{}, ...], refresh )
         *
         *  - for updating multiple values at once (not responsive)
         *     .slick("setOption", { 'option': value, ... }, refresh )
         */

var _ = this, l, item, option, value, refresh = false, type;

if( $.type( arguments[0] ) === 'object' ) {

option =  arguments[0];
            refresh = arguments[1];
            type = 'multiple';

} else if ( $.type( arguments[0] ) === 'string' ) {

option =  arguments[0];
            value = arguments[1];
            refresh = arguments[2];

if ( arguments[0] === 'responsive' && $.type( arguments[1] ) === 'array' ) {

type = 'responsive';

} else if ( typeof arguments[1] !== 'undefined' ) {

type = 'single';

}

if ( type === 'single' ) {

_.options[option] = value;

} else if ( type === 'multiple' ) {

$.each( option , function( opt, val ) {

_.options[opt] = val;

});

} else if ( type === 'responsive' ) {

for ( item in value ) {

if( $.type( _.options.responsive ) !== 'array' ) {

_.options.responsive = [ value[item] ];

} else {

l = _.options.responsive.length-1;

// loop through the responsive object and splice out duplicates.
                    while( l >= 0 ) {

if( _.options.responsive[l].breakpoint === value[item].breakpoint ) {

_.options.responsive.splice(l,1);

}

l--;

}

_.options.responsive.push( value[item] );

}

if ( refresh ) {

_.unload();
            _.reinit();

}

};

Slick.prototype.setPosition = function() {

var _ = this;

_.setDimensions();

_.setHeight();

if (_.options.fade === false) {
            _.setCSS(_.getLeft(_.currentSlide));
        } else {
            _.setFade();
        }

_.$slider.trigger('setPosition', [_]);

};

Slick.prototype.setProps = function() {

var _ = this,
            bodyStyle = document.body.style;

_.positionProp = _.options.vertical === true ? 'top' : 'left';

if (_.positionProp === 'top') {
            _.$slider.addClass('slick-vertical');
        } else {
            _.$slider.removeClass('slick-vertical');
        }

if (bodyStyle.WebkitTransition !== undefined ||
            bodyStyle.MozTransition !== undefined ||
            bodyStyle.msTransition !== undefined) {
            if (_.options.useCSS === true) {
                _.cssTransitions = true;
            }
        }

if ( _.options.fade ) {
            if ( typeof _.options.zIndex === 'number' ) {
                if( _.options.zIndex < 3 ) {
                    _.options.zIndex = 3;
                }
            } else {
                _.options.zIndex = _.defaults.zIndex;
            }
        }

if (bodyStyle.OTransform !== undefined) {
            _.animType = 'OTransform';
            _.transformType = '-o-transform';
            _.transitionType = 'OTransition';
            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
        }
        if (bodyStyle.MozTransform !== undefined) {
            _.animType = 'MozTransform';
            _.transformType = '-moz-transform';
            _.transitionType = 'MozTransition';
            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.MozPerspective === undefined) _.animType = false;
        }
        if (bodyStyle.webkitTransform !== undefined) {
            _.animType = 'webkitTransform';
            _.transformType = '-webkit-transform';
            _.transitionType = 'webkitTransition';
            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
        }
        if (bodyStyle.msTransform !== undefined) {
            _.animType = 'msTransform';
            _.transformType = '-ms-transform';
            _.transitionType = 'msTransition';
            if (bodyStyle.msTransform === undefined) _.animType = false;
        }
        if (bodyStyle.transform !== undefined && _.animType !== false) {
            _.animType = 'transform';
            _.transformType = 'transform';
            _.transitionType = 'transition';
        }
        _.transformsEnabled = _.options.useTransform && (_.animType !== null && _.animType !== false);
    };

Slick.prototype.setSlideClasses = function(index) {

var _ = this,
            centerOffset, allSlides, indexOffset, remainder;

allSlides = _.$slider
            .find('.slick-slide')
            .removeClass('slick-active slick-center slick-current')
            .attr('aria-hidden', 'true');

_.$slides
            .eq(index)
            .addClass('slick-current');

if (_.options.centerMode === true) {

var evenCoef = _.options.slidesToShow % 2 === 0 ? 1 : 0;

centerOffset = Math.floor(_.options.slidesToShow / 2);

if (_.options.infinite === true) {

if (index >= centerOffset && index <= (_.slideCount - 1) - centerOffset) {
                    _.$slides
                        .slice(index - centerOffset + evenCoef, index + centerOffset + 1)
                        .addClass('slick-active')
                        .attr('aria-hidden', 'false');

} else {

indexOffset = _.options.slidesToShow + index;
                    allSlides
                        .slice(indexOffset - centerOffset + 1 + evenCoef, indexOffset + centerOffset + 2)
                        .addClass('slick-active')
                        .attr('aria-hidden', 'false');

}

if (index === 0) {

allSlides
                        .eq( _.options.slidesToShow + _.slideCount + 1 )
                        .addClass('slick-center');

} else if (index === _.slideCount - 1) {

allSlides
                        .eq(_.options.slidesToShow)
                        .addClass('slick-center');

}

_.$slides
                .eq(index)
                .addClass('slick-center');

} else {

if (index >= 0 && index <= (_.slideCount - _.options.slidesToShow)) {

_.$slides
                    .slice(index, index + _.options.slidesToShow)
                    .addClass('slick-active')
                    .attr('aria-hidden', 'false');

} else if (allSlides.length <= _.options.slidesToShow) {

allSlides
                    .addClass('slick-active')
                    .attr('aria-hidden', 'false');

} else {

remainder = _.slideCount % _.options.slidesToShow;
                indexOffset = _.options.infinite === true ? _.options.slidesToShow + index : index;

if (_.options.slidesToShow == _.options.slidesToScroll && (_.slideCount - index) < _.options.slidesToShow) {

allSlides
                        .slice(indexOffset - (_.options.slidesToShow - remainder), indexOffset + remainder)
                        .addClass('slick-active')
                        .attr('aria-hidden', 'false');

} else {

allSlides
                        .slice(indexOffset, indexOffset + _.options.slidesToShow)
                        .addClass('slick-active')
                        .attr('aria-hidden', 'false');

}

if (_.options.lazyLoad === 'ondemand' || _.options.lazyLoad === 'anticipated') {
            _.lazyLoad();
        }
    };

Slick.prototype.setupInfinite = function() {

var _ = this,
            i, slideIndex, infiniteCount;

if (_.options.fade === true) {
            _.options.centerMode = false;
        }

if (_.options.infinite === true && _.options.fade === false) {

slideIndex = null;

if (_.slideCount > _.options.slidesToShow) {

if (_.options.centerMode === true) {
                    infiniteCount = _.options.slidesToShow + 1;
                } else {
                    infiniteCount = _.options.slidesToShow;
                }

for (i = _.slideCount; i > (_.slideCount -
                        infiniteCount); i -= 1) {
                    slideIndex = i - 1;
                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
                        .attr('data-slick-index', slideIndex - _.slideCount)
                        .prependTo(_.$slideTrack).addClass('slick-cloned');
                }
                for (i = 0; i < infiniteCount  + _.slideCount; i += 1) {
                    slideIndex = i;
                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
                        .attr('data-slick-index', slideIndex + _.slideCount)
                        .appendTo(_.$slideTrack).addClass('slick-cloned');
                }
                _.$slideTrack.find('.slick-cloned').find('[id]').each(function() {
                    $(this).attr('id', '');
                });

}

};

Slick.prototype.interrupt = function( toggle ) {

var _ = this;

if( !toggle ) {
            _.autoPlay();
        }
        _.interrupted = toggle;

};

Slick.prototype.selectHandler = function(event) {

var _ = this;

var targetElement =
            $(event.target).is('.slick-slide') ?
                $(event.target) :
                $(event.target).parents('.slick-slide');

var index = parseInt(targetElement.attr('data-slick-index'));

if (!index) index = 0;

if (_.slideCount <= _.options.slidesToShow) {

_.slideHandler(index, false, true);
            return;

}

_.slideHandler(index);

};

Slick.prototype.slideHandler = function(index, sync, dontAnimate) {

var targetSlide, animSlide, oldSlide, slideLeft, targetLeft = null,
            _ = this, navTarget;

sync = sync || false;

if (_.animating === true && _.options.waitForAnimate === true) {
            return;
        }

if (_.options.fade === true && _.currentSlide === index) {
            return;
        }

if (sync === false) {
            _.asNavFor(index);
        }

targetSlide = index;
        targetLeft = _.getLeft(targetSlide);
        slideLeft = _.getLeft(_.currentSlide);

_.currentLeft = _.swipeLeft === null ? slideLeft : _.swipeLeft;

if (_.options.infinite === false && _.options.centerMode === false && (index < 0 || index > _.getDotCount() * _.options.slidesToScroll)) {
            if (_.options.fade === false) {
                targetSlide = _.currentSlide;
                if (dontAnimate !== true && _.slideCount > _.options.slidesToShow) {
                    _.animateSlide(slideLeft, function() {
                        _.postSlide(targetSlide);
                    });
                } else {
                    _.postSlide(targetSlide);
                }
            }
            return;
        } else if (_.options.infinite === false && _.options.centerMode === true && (index < 0 || index > (_.slideCount - _.options.slidesToScroll))) {
            if (_.options.fade === false) {
                targetSlide = _.currentSlide;
                if (dontAnimate !== true && _.slideCount > _.options.slidesToShow) {
                    _.animateSlide(slideLeft, function() {
                        _.postSlide(targetSlide);
                    });
                } else {
                    _.postSlide(targetSlide);
                }
            }
            return;
        }

if ( _.options.autoplay ) {
            clearInterval(_.autoPlayTimer);
        }

if (targetSlide < 0) {
            if (_.slideCount % _.options.slidesToScroll !== 0) {
                animSlide = _.slideCount - (_.slideCount % _.options.slidesToScroll);
            } else {
                animSlide = _.slideCount + targetSlide;
            }
        } else if (targetSlide >= _.slideCount) {
            if (_.slideCount % _.options.slidesToScroll !== 0) {
                animSlide = 0;
            } else {
                animSlide = targetSlide - _.slideCount;
            }
        } else {
            animSlide = targetSlide;
        }

_.animating = true;

_.$slider.trigger('beforeChange', [_, _.currentSlide, animSlide]);

oldSlide = _.currentSlide;
        _.currentSlide = animSlide;

_.setSlideClasses(_.currentSlide);

if ( _.options.asNavFor ) {

navTarget = _.getNavTarget();
            navTarget = navTarget.slick('getSlick');

if ( navTarget.slideCount <= navTarget.options.slidesToShow ) {
                navTarget.setSlideClasses(_.currentSlide);
            }

}

_.updateDots();
        _.updateArrows();

if (_.options.fade === true) {
            if (dontAnimate !== true) {

_.fadeSlideOut(oldSlide);

_.fadeSlide(animSlide, function() {
                    _.postSlide(animSlide);
                });

} else {
                _.postSlide(animSlide);
            }
            _.animateHeight();
            return;
        }

if (dontAnimate !== true && _.slideCount > _.options.slidesToShow) {
            _.animateSlide(targetLeft, function() {
                _.postSlide(animSlide);
            });
        } else {
            _.postSlide(animSlide);
        }

};

Slick.prototype.startLoad = function() {

var _ = this;

if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {

_.$prevArrow.hide();
            _.$nextArrow.hide();

}

if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {

_.$dots.hide();

}

_.$slider.addClass('slick-loading');

};

Slick.prototype.swipeDirection = function() {

var xDist, yDist, r, swipeAngle, _ = this;

xDist = _.touchObject.startX - _.touchObject.curX;
        yDist = _.touchObject.startY - _.touchObject.curY;
        r = Math.atan2(yDist, xDist);

swipeAngle = Math.round(r * 180 / Math.PI);
        if (swipeAngle < 0) {
            swipeAngle = 360 - Math.abs(swipeAngle);
        }

if ((swipeAngle <= 45) && (swipeAngle >= 0)) {
            return (_.options.rtl === false ? 'left' : 'right');
        }
        if ((swipeAngle <= 360) && (swipeAngle >= 315)) {
            return (_.options.rtl === false ? 'left' : 'right');
        }
        if ((swipeAngle >= 135) && (swipeAngle <= 225)) {
            return (_.options.rtl === false ? 'right' : 'left');
        }
        if (_.options.verticalSwiping === true) {
            if ((swipeAngle >= 35) && (swipeAngle <= 135)) {
                return 'down';
            } else {
                return 'up';
            }
        }

return 'vertical';

};

Slick.prototype.swipeEnd = function(event) {

var _ = this,
            slideCount,
            direction;

_.dragging = false;
        _.swiping = false;

if (_.scrolling) {
            _.scrolling = false;
            return false;
        }

_.interrupted = false;
        _.shouldClick = ( _.touchObject.swipeLength > 10 ) ? false : true;

if ( _.touchObject.curX === undefined ) {
            return false;
        }

if ( _.touchObject.edgeHit === true ) {
            _.$slider.trigger('edge', [_, _.swipeDirection() ]);
        }

if ( _.touchObject.swipeLength >= _.touchObject.minSwipe ) {

direction = _.swipeDirection();

switch ( direction ) {

case 'left':
                case 'down':

slideCount =
                        _.options.swipeToSlide ?
                            _.checkNavigable( _.currentSlide + _.getSlideCount() ) :
                            _.currentSlide + _.getSlideCount();

_.currentDirection = 0;

break;

case 'right':
                case 'up':

slideCount =
                        _.options.swipeToSlide ?
                            _.checkNavigable( _.currentSlide - _.getSlideCount() ) :
                            _.currentSlide - _.getSlideCount();

_.currentDirection = 1;

break;

default:

}

if( direction != 'vertical' ) {

_.slideHandler( slideCount );
                _.touchObject = {};
                _.$slider.trigger('swipe', [_, direction ]);

}

} else {

if ( _.touchObject.startX !== _.touchObject.curX ) {

_.slideHandler( _.currentSlide );
                _.touchObject = {};

}

};

Slick.prototype.swipeHandler = function(event) {

var _ = this;

if ((_.options.swipe === false) || ('ontouchend' in document && _.options.swipe === false)) {
            return;
        } else if (_.options.draggable === false && event.type.indexOf('mouse') !== -1) {
            return;
        }

_.touchObject.fingerCount = event.originalEvent && event.originalEvent.touches !== undefined ?
            event.originalEvent.touches.length : 1;

_.touchObject.minSwipe = _.listWidth / _.options
            .touchThreshold;

if (_.options.verticalSwiping === true) {
            _.touchObject.minSwipe = _.listHeight / _.options
                .touchThreshold;
        }

switch (event.data.action) {

case 'start':
                _.swipeStart(event);
                break;

case 'move':
                _.swipeMove(event);
                break;

case 'end':
                _.swipeEnd(event);
                break;

}

};

Slick.prototype.swipeMove = function(event) {

var _ = this,
            edgeWasHit = false,
            curLeft, swipeDirection, swipeLength, positionOffset, touches, verticalSwipeLength;

touches = event.originalEvent !== undefined ? event.originalEvent.touches : null;

if (!_.dragging || _.scrolling || touches && touches.length !== 1) {
            return false;
        }

curLeft = _.getLeft(_.currentSlide);

_.touchObject.curX = touches !== undefined ? touches[0].pageX : event.clientX;
        _.touchObject.curY = touches !== undefined ? touches[0].pageY : event.clientY;

_.touchObject.swipeLength = Math.round(Math.sqrt(
            Math.pow(_.touchObject.curX - _.touchObject.startX, 2)));

verticalSwipeLength = Math.round(Math.sqrt(
            Math.pow(_.touchObject.curY - _.touchObject.startY, 2)));

if (!_.options.verticalSwiping && !_.swiping && verticalSwipeLength > 4) {
            _.scrolling = true;
            return false;
        }

if (_.options.verticalSwiping === true) {
            _.touchObject.swipeLength = verticalSwipeLength;
        }

swipeDirection = _.swipeDirection();

if (event.originalEvent !== undefined && _.touchObject.swipeLength > 4) {
            _.swiping = true;
            event.preventDefault();
        }

positionOffset = (_.options.rtl === false ? 1 : -1) * (_.touchObject.curX > _.touchObject.startX ? 1 : -1);
        if (_.options.verticalSwiping === true) {
            positionOffset = _.touchObject.curY > _.touchObject.startY ? 1 : -1;
        }

swipeLength = _.touchObject.swipeLength;

_.touchObject.edgeHit = false;

if (_.options.infinite === false) {
            if ((_.currentSlide === 0 && swipeDirection === 'right') || (_.currentSlide >= _.getDotCount() && swipeDirection === 'left')) {
                swipeLength = _.touchObject.swipeLength * _.options.edgeFriction;
                _.touchObject.edgeHit = true;
            }
        }

if (_.options.vertical === false) {
            _.swipeLeft = curLeft + swipeLength * positionOffset;
        } else {
            _.swipeLeft = curLeft + (swipeLength * (_.$list.height() / _.listWidth)) * positionOffset;
        }
        if (_.options.verticalSwiping === true) {
            _.swipeLeft = curLeft + swipeLength * positionOffset;
        }

if (_.options.fade === true || _.options.touchMove === false) {
            return false;
        }

if (_.animating === true) {
            _.swipeLeft = null;
            return false;
        }

_.setCSS(_.swipeLeft);

};

Slick.prototype.swipeStart = function(event) {

var _ = this,
            touches;

_.interrupted = true;

if (_.touchObject.fingerCount !== 1 || _.slideCount <= _.options.slidesToShow) {
            _.touchObject = {};
            return false;
        }

if (event.originalEvent !== undefined && event.originalEvent.touches !== undefined) {
            touches = event.originalEvent.touches[0];
        }

_.touchObject.startX = _.touchObject.curX = touches !== undefined ? touches.pageX : event.clientX;
        _.touchObject.startY = _.touchObject.curY = touches !== undefined ? touches.pageY : event.clientY;

_.dragging = true;

};

Slick.prototype.unfilterSlides = Slick.prototype.slickUnfilter = function() {

var _ = this;

if (_.$slidesCache !== null) {

_.unload();

_.$slideTrack.children(this.options.slide).detach();

_.$slidesCache.appendTo(_.$slideTrack);

_.reinit();

}

};

Slick.prototype.unload = function() {

var _ = this;

$('.slick-cloned', _.$slider).remove();

if (_.$dots) {
            _.$dots.remove();
        }

if (_.$prevArrow && _.htmlExpr.test(_.options.prevArrow)) {
            _.$prevArrow.remove();
        }

if (_.$nextArrow && _.htmlExpr.test(_.options.nextArrow)) {
            _.$nextArrow.remove();
        }

_.$slides
            .removeClass('slick-slide slick-active slick-visible slick-current')
            .attr('aria-hidden', 'true')
            .css('width', '');

};

Slick.prototype.unslick = function(fromBreakpoint) {

var _ = this;
        _.$slider.trigger('unslick', [_, fromBreakpoint]);
        _.destroy();

};

Slick.prototype.updateArrows = function() {

var _ = this,
            centerOffset;

centerOffset = Math.floor(_.options.slidesToShow / 2);

if ( _.options.arrows === true &&
            _.slideCount > _.options.slidesToShow &&
            !_.options.infinite ) {

_.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
            _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');

if (_.currentSlide === 0) {

_.$prevArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
                _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');

} else if (_.currentSlide >= _.slideCount - _.options.slidesToShow && _.options.centerMode === false) {

_.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
                _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');

} else if (_.currentSlide >= _.slideCount - 1 && _.options.centerMode === true) {

_.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
                _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');

}

};

Slick.prototype.updateDots = function() {

var _ = this;

if (_.$dots !== null) {

_.$dots
                .find('li')
                    .removeClass('slick-active')
                    .end();

_.$dots
                .find('li')
                .eq(Math.floor(_.currentSlide / _.options.slidesToScroll))
                .addClass('slick-active');

}

};

Slick.prototype.visibility = function() {

var _ = this;

if ( _.options.autoplay ) {

if ( document[_.hidden] ) {

_.interrupted = true;

} else {

_.interrupted = false;

}

};

$.fn.slick = function() {
        var _ = this,
            opt = arguments[0],
            args = Array.prototype.slice.call(arguments, 1),
            l = _.length,
            i,
            ret;
        for (i = 0; i < l; i++) {
            if (typeof opt == 'object' || typeof opt == 'undefined')
                _[i].slick = new Slick(_[i], opt);
            else
                ret = _[i].slick[opt].apply(_[i].slick, args);
            if (typeof ret != 'undefined') return ret;
        }
        return _;
    };

}));

文件操作 - slick.js

文件: /root/Desktop/OLD/plugin-wordpress/ultimate-carousel-for-elementor/js/slick.js

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