.
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;
_.$slider
.off('focus.slick blur.slick')
.on('focus.slick blur.slick', '*', function(event) {
event.stopImmediatePropagation();
var $sf = $(this);
setTimeout(function() {
if( _.options.pauseOnFocus ) {
_.focussed = $sf.is(':focus');
_.autoPlay();
}
}, 0);
});
};
Slick.prototype.getCurrent = Slick.prototype.slickCurrentSlide = function() {
var _ = this;
return _.currentSlide;
};
Slick.prototype.getDotCount = function() {
var _ = this;
var breakPoint = 0;
var counter = 0;
var pagerQty = 0;
if (_.options.infinite === true) {
if (_.slideCount <= _.options.slidesToShow) {
++pagerQty;
} else {
while (breakPoint < _.slideCount) {
++pagerQty;
breakPoint = counter + _.options.slidesToScroll;
counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
}
}
} else if (_.options.centerMode === true) {
pagerQty = _.slideCount;
} else if(!_.options.asNavFor) {
pagerQty = 1 + Math.ceil((_.slideCount - _.options.slidesToShow) / _.options.slidesToScroll);
}else {
while (breakPoint < _.slideCount) {
++pagerQty;
breakPoint = counter + _.options.slidesToScroll;
counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
}
}
return pagerQty - 1;
};
Slick.prototype.getLeft = function(slideIndex) {
var _ = this,
targetLeft,
verticalHeight,
verticalOffset = 0,
targetSlide,
coef;
_.slideOffset = 0;
verticalHeight = _.$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 += (_.$list.width() - targetSlide.outerWidth()) / 2;
}
}
return targetLeft;
};
Slick.prototype.getOption = Slick.prototype.slickGetOption = function(option) {
var _ = this;
return _.options[option];
};
Slick.prototype.getNavigableIndexes = function() {
var _ = this,
breakPoint = 0,
counter = 0,
indexes = [],
max;
if (_.options.infinite === false) {
max = _.slideCount;
} else {
breakPoint = _.options.slidesToScroll * -1;
counter = _.options.slidesToScroll * -1;
max = _.slideCount * 2;
}
while (breakPoint < max) {
indexes.push(breakPoint);
breakPoint = counter + _.options.slidesToScroll;
counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
}
return indexes;
};
Slick.prototype.getSlick = function() {
return this;
};
Slick.prototype.getSlideCount = function() {
var _ = this,
slidesTraversed, swipedSlide, centerOffset;
centerOffset = _.options.centerMode === true ? _.slideWidth * Math.floor(_.options.slidesToShow / 2) : 0;
if (_.options.swipeToSlide === true) {
_.$slideTrack.find('.slick-slide').each(function(index, slide) {
if (slide.offsetLeft - centerOffset + ($(slide).outerWidth() / 2) > (_.swipeLeft * -1)) {
swipedSlide = slide;
return false;
}
});
slidesTraversed = Math.abs($(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) {
var _ = this;
//Dont slide if the cursor is inside the form fields and arrow keys are pressed
if(!event.target.tagName.match('TEXTAREA|INPUT|SELECT')) {
if (event.keyCode === 37 && _.options.accessibility === true) {
_.changeSlide({
data: {
message: _.options.rtl === true ? 'next' : 'previous'
}
});
} else if (event.keyCode === 39 && _.options.accessibility === true) {
_.changeSlide({
data: {
message: _.options.rtl === true ? 'previous' : 'next'
}
});
}
}
};
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) {
_.$slides
.slice(index - centerOffset + evenCoef, index + centerOffset + 1)
.addClass('slick-active')
.attr('aria-hidden', 'false');
} else {
indexOffset = _.options.slidesToShow + index;
allSlides
.slice(indexOffset - centerOffset + 1 + evenCoef, indexOffset + centerOffset + 2)
.addClass('slick-active')
.attr('aria-hidden', 'false');
}
if (index === 0) {
allSlides
.eq(allSlides.length - 1 - _.options.slidesToShow)
.addClass('slick-center');
} else if (index === _.slideCount - 1) {
allSlides
.eq(_.options.slidesToShow)
.addClass('slick-center');
}
}
_.$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')) {
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return false;
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if (_.animating === true) {
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return false;
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_.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];
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_.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();
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if (_.$prevArrow && _.htmlExpr.test(_.options.prevArrow)) {
_.$prevArrow.remove();
}
if (_.$nextArrow && _.htmlExpr.test(_.options.nextArrow)) {
_.$nextArrow.remove();
}
_.$slides
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.attr('aria-hidden', 'true')
.css('width', '');
};
Slick.prototype.unslick = function(fromBreakpoint) {
var _ = this;
_.$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 _;
};
}));
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{"id":91,"date":"2024-03-31T17:11:52","date_gmt":"2024-03-31T17:11:52","guid":{"rendered":"https:\/\/freebtc.my.id\/understanding-bitcoin-halving-implications-strategies-and-profit-opportunities"},"modified":"2024-03-31T17:11:52","modified_gmt":"2024-03-31T17:11:52","slug":"understanding-bitcoin-halving-implications-strategies-and-profit-opportunities","status":"publish","type":"post","link":"https:\/\/freebtc.my.id\/understanding-bitcoin-halving-implications-strategies-and-profit-opportunities","title":{"rendered":"Understanding Bitcoin Halving: Implications, Strategies, and Profit Opportunities"},"content":{"rendered":"![\"a](\"https:\/\/freebtc.my.id\/wp-content\/uploads\/2024\/03\/a-group-of-pills-floating-in-the-air-1-scaled.jpg\")
<\/p>\n
Bitcoin halving is a highly anticipated event in the cryptocurrency community, as it has significant implications for the supply and demand dynamics of Bitcoin. The reduction in the number of new bitcoins being created serves as a mechanism to control inflation and maintain the scarcity of the digital currency.<\/p>\n
One of the key reasons behind the implementation of halving is to mimic the limited supply characteristic of precious metals like gold. By reducing the rate at which new bitcoins are issued, Bitcoin aims to create scarcity and increase its value over time. This scarcity is a fundamental aspect of Bitcoin’s value proposition, as it positions the digital currency as a store of value and a potential hedge against traditional fiat currencies.<\/p>\n
Moreover, the halving event has a direct impact on the mining ecosystem. Miners play a crucial role in the Bitcoin network by validating transactions and adding them to the blockchain. In return for their efforts, miners are rewarded with newly minted bitcoins. However, with each halving, the reward for mining is reduced, which can have significant implications for the profitability of mining operations.<\/p>\n
As the reward decreases, miners need to find ways to offset the reduced income. This often involves optimizing their mining hardware, reducing operational costs, or even exiting the mining industry altogether. The halving event has historically led to increased competition among miners, as they strive to maintain profitability in the face of reduced rewards. This competition can drive innovation in the mining sector, leading to the development of more efficient mining hardware and techniques.<\/p>\n
Furthermore, the halving event has a psychological impact on the market. The anticipation and speculation surrounding the event can lead to increased buying pressure as investors and traders try to capitalize on potential price increases. This increased demand, coupled with the reduced supply of new bitcoins, can create a bullish market sentiment and drive up the price of Bitcoin.<\/p>\n
It is important to note that the impact of halving on the price of Bitcoin is not immediate or guaranteed. The market is influenced by a multitude of factors, including investor sentiment, market trends, and macroeconomic conditions. While previous halvings have been followed by periods of increased price volatility and upward price movements, it is essential to approach any investment or trading decisions with caution and a thorough understanding of the market dynamics.<\/p>\n
In conclusion, Bitcoin halving is a significant event in the world of cryptocurrency that occurs every four years. It serves to control inflation, maintain scarcity, and impact the mining ecosystem. The event also has psychological implications on the market, potentially leading to increased buying pressure and price volatility. Understanding the dynamics of Bitcoin halving is crucial for investors, traders, and anyone interested in the world of cryptocurrencies.<\/p>\n
Implications of Bitcoin Halving<\/h2>\n
Bitcoin halving has several implications for the cryptocurrency market. Firstly, it reduces the rate at which new bitcoins are introduced into circulation. This scarcity can potentially drive up the value of existing bitcoins as demand outpaces supply. Historically, the price of bitcoin has experienced significant increases following each halving event.<\/p>\n
Secondly, the reduced reward for miners can impact their profitability. Mining requires significant computational power and energy consumption, so miners rely on the block reward to cover their costs and make a profit. When the reward is halved, miners must either increase their efficiency or find alternative ways to generate revenue.<\/p>\n
However, it is important to note that the impact on miners may vary depending on several factors. For instance, miners with access to cheaper electricity and more efficient mining equipment may still be able to maintain their profitability even after the halving. On the other hand, smaller miners or those operating in regions with high electricity costs may face more challenges and could potentially be forced to exit the market.<\/p>\n
Furthermore, the reduction in block rewards can also have implications for the overall security of the Bitcoin network. As the block reward decreases, miners may become less incentivized to continue mining, potentially leading to a decrease in the network’s hash rate. This could make the network more vulnerable to attacks, as it would be easier for malicious actors to control the majority of the network’s computing power.<\/p>\n
However, it is worth noting that the Bitcoin network has proven to be resilient in the face of previous halvings. In the past, despite the decrease in block rewards, the network’s hash rate has continued to grow as more miners join the network. This growth in mining activity has helped to maintain the security and integrity of the Bitcoin network.<\/p>\n
Additionally, the halving event can also have broader implications for the cryptocurrency market as a whole. It often serves as a catalyst for increased interest and attention from investors and the media. This heightened awareness can lead to increased adoption and usage of cryptocurrencies, not only limited to Bitcoin but also to other altcoins in the market.<\/p>\n
Overall, the implications of Bitcoin halving are multifaceted. While it can drive up the value of existing bitcoins and potentially impact miners’ profitability, it also poses challenges to the network’s security and can have broader effects on the cryptocurrency market. As the next halving event approaches, it will be interesting to observe how these implications play out and how the market and network adapt to the changes.<\/p>\n
6. Staking and Yield Farming<\/h3>\n
In addition to the strategies mentioned above, another way to profit from bitcoin halving is through staking and yield farming. Staking involves holding a certain amount of cryptocurrency in a wallet to support the network’s operations and earn rewards in return.<\/p>\n
With bitcoin halving, the reduced block rewards may incentivize more individuals to stake their bitcoins, as the potential returns could increase. By participating in staking, you can earn additional bitcoins as a passive income stream.<\/p>\n
Yield farming, on the other hand, involves providing liquidity to decentralized finance (DeFi) protocols and earning rewards in return. These rewards can be in the form of additional tokens or a percentage of transaction fees generated by the protocol.<\/p>\n
While staking and yield farming can be profitable, they also come with their own set of risks. It’s crucial to carefully research and select reputable platforms and protocols to ensure the safety of your funds.<\/p>\n
7. Keeping Up with Regulatory Developments<\/h3>\n
As the cryptocurrency industry continues to evolve, regulatory developments can significantly impact the market. It’s essential to stay informed about any regulatory changes or announcements that could affect the value and legality of cryptocurrencies.<\/p>\n
By keeping up with regulatory developments, you can make informed investment decisions and adjust your strategies accordingly. This may involve staying updated on government policies, tax regulations, and any potential restrictions or bans on cryptocurrencies in different jurisdictions.<\/p>\n
Additionally, staying informed about the latest news and developments in the broader financial industry can also provide valuable insights into the overall market sentiment and potential opportunities.<\/p>\n
In conclusion, bitcoin halving presents various opportunities for investors and traders to profit from the event. Whether you choose to take a long-term investment approach, trade the volatility, optimize mining operations, invest in mining companies, diversify your portfolio, engage in staking and yield farming, or stay informed about regulatory developments, it’s crucial to conduct thorough research and carefully consider the risks involved.<\/p>\n
As with any investment, it’s important to remember that the cryptocurrency market is highly volatile and unpredictable. It’s advisable to consult with a financial advisor or seek professional guidance before making any investment decisions.<\/p>\n","protected":false},"excerpt":{"rendered":"
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