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Сообщение от Sergey-web92
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всё же не работает последним Вашим способом
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пост #6 не указал this, строки 12 и 14.
и макет, это примерно так ...
<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
.active{
background-color: #FF0000;
color: #FFFF33;
}
</style>
</head>
<body>
<div class="slideshow-about__slider">
<div class="slider-about-wrapper">
<div class="slideshow-about__slide active"><img class="slideshow-about__img-wrapper" src="./src/img/about1.webp"
alt="about-one"></div>
<div class="slideshow-about__slide"><img class="slideshow-about__img-wrapper"
src="./src/img/about2.webp" alt="about-two">
</div>
<div class="slideshow-about__slide"><img class="slideshow-about__img-wrapper"
src="./src/img/about3.webp" alt="about-three">
</div>
<div class="slideshow-about__slide"><img class="slideshow-about__img-wrapper"
src="./src/img/about4.webp" alt="about-fourth">
</div>
<div class="slideshow-about__slide"><img class="slideshow-about__img-wrapper" src="./src/img/about5.webp"
alt="about-five">
</div>
<!-- ------ -->
<div class="slider-next-prev">
<div class="sliders__nav_prev" data-way="prev" id="prev-btn">
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="100%" height="100%" fill="#fcf9f4" stroke="#fcf9f4"
viewBox="0 0 21 41" enable-background="new 0 0 21 41">
<polygon points="20.3,40.8 0,20.5 20.3,0.2 21,0.9 1.3,20.5 21,40.1 "></polygon>
</svg>
</div>
<div class="sliders__nav_next" data-way="next" id="next-btn">
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="100%" height="100%" fill="#fcf9f4" stroke="#fcf9f4" transform="rotate(180)"
viewBox="0 0 21 41" enable-background="new 0 0 21 41">
<polygon points="20.3,40.8 0,20.5 20.3,0.2 21,0.9 1.3,20.5 21,40.1 "></polygon>
</svg>
</div>
</div>
<!-- =============== -->
<div class="dots-wrapper">
<div class="dot active">1</div>
<div class="dot">2</div>
<div class="dot">3</div>
<div class="dot">4</div>
<div class="dot">5</div>
</div>
</div>
</div>
<script>
(function() {
class Slider {
constructor(startIndex, element) {
this.startIndex = startIndex;
this.currentIndex = this.startIndex;
this.element = element;
this.slides = this.element.querySelectorAll(".slideshow-about__slide");
this.dots = this.element.querySelectorAll(".dot");
this.setActiveSlide();
this.setActiveDot();
this.nextBtn = this.element.querySelector('[data-way="next"]');
this.nextBtn.addEventListener("click", this.next.bind(this));
this.prevBtn = this.element.querySelector('[data-way="prev"]');
this.prevBtn.addEventListener("click", this.prev.bind(this))
}
setActiveSlide() {
this.slides.forEach((item, index) => {
if (index === this.currentIndex) {
item.classList.add("active");
} else {
item.classList.remove("active");
}
});
}
setActiveDot() {
this.dots.forEach((item, index) => {
if (index === this.currentIndex) {
item.classList.add("active");
} else {
item.classList.remove("active");
}
});
}
next() {
if (this.currentIndex === this.slides.length - 1) {
this.currentIndex = 0;
} else {
this.currentIndex++;
}
this.setActiveSlide();
this.setActiveDot();
}
prev() {
if (this.currentIndex === 0) {
this.currentIndex = this.slides.length - 1;
} else {
this.currentIndex--;
}
this.setActiveSlide();
this.setActiveDot();
}
}
let slideShow = document.querySelectorAll(".slideshow-about__slider");
slideShow.forEach((item) => {
item = new Slider(0, item);
setInterval(function() {
item.next();
}, 1000);
});
})();
</script>
</body>
</html>