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script.js
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script.js
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// slider
function getSlidesCount() {
var count = $('.slider li').length;
return count;
}
function getSlideWidth() {
var width = $('.slider li').width();
return width;
}
function next() {
var slidesCount = getSlidesCount() - 1;
var currentSlide = $('.slider li.active').index();
var nextSlide = currentSlide != slidesCount ? currentSlide + 1 : 0;
activateSlideThumb(nextSlide);
goToSlide(nextSlide);
}
function prev() {
var slidesCount = getSlidesCount() - 1;
var currentSlide = $('.slider li.active').index();
var prevSlide = currentSlide != 0 ? currentSlide - 1 : slidesCount;
activateSlideThumb(prevSlide);
goToSlide(prevSlide);
}
function goToSlide(index) {
$('.slider li').removeClass('active');
$('.slider li:eq(' + index + ')').addClass('active');
$('.slider ul').css('left', -1000 * index + 'px');
}
function activateSlideThumb(index) {
$('.slider-thumbs li').removeClass('active');
$('.slider-thumbs li:eq(' + index + ')').addClass('active');
}
$(document).ready(function() {
var sliderWidth = getSlideWidth() * getSlidesCount();
$('.slider ul').css({
'width': sliderWidth
});
activateSlideThumb(0);
goToSlide(0);
$('.go-right').on('click', function() {
next();
});
$('.go-left').on('click', function() {
prev();
});
$('.slider-thumbs a').on('click', function(e) {
e.preventDefault();
var i = $(this).parent().index();
activateSlideThumb(i);
goToSlide(i);
});
$(document).keydown(function(e) {
switch (e.which) {
case 37: // left
prev();
break;
case 38: // up
prev();
break;
case 39: // right
next();
break;
case 40: // down
next();
break;
};
});
});