hugo-page/themes/tsc_vfl/static/js/slider.js

35 lines
987 B
JavaScript

$(function () {
var index = 0
const maxIndex = 5
const delay = 7000
function showImage(idx) {
// console.log("switching to index", idx)
const imgs = $('#header .slider .slider-img')
imgs.eq(idx).removeClass('hidden')
imgs.filter((i, e) => {return i != idx}).addClass('hidden')
const dots = $('#header .slider .dots .dot')
dots.removeClass('active')
dots.eq(idx).addClass('active')
index = idx
}
function getNextIndex() {
const ret = index + 1
if (ret > maxIndex) {
return 0
} else {
return ret
}
}
function nextImage() {
const newIdx = getNextIndex()
showImage(newIdx)
setTimeout(nextImage, delay)
}
setTimeout(nextImage, delay)
$('#header .slider .dots .dot').click(function (evt) {
// console.log(evt)
const newIdx = $(evt.target).data('index')
showImage(newIdx)
})
})