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Sunday 4 July 2021

pure javascript image slider

See the Pen javascript image slider by satish mallick (@satishmallick) on CodePen.

 <html>

<html lang="en">

  <head>

    <meta charset="UTF-8" />

    <meta name="viewport" content="width=device-width, initial-scale=1.0" />

    <meta name="author" content="Joseph Odunsi" />

    <meta name="description" content="Create an image slider with HTML, CSS and JavaScript" />

    <meta name="keywords" content="image slider, carousel, codepen, css, js" />

    <title>Image Slider</title>

  </head>

  <body>

    <div class="slide-container">

      <div class="slide fade">

        <img src='https://images.unsplash.com/photo-1590595978583-3967cf17d2ea?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ' alt=''>

      </div>

      <div class="slide fade">

        <img src='https://images.unsplash.com/photo-1588807308097-fb6e5047df8c?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ' alt=''>

      </div>

      <div class="slide fade">

        <img src='https://images.unsplash.com/photo-1589808710416-24cf7ac026f2?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ' alt=''>

      </div>

      <div class="slide fade">

        <img src='https://images.unsplash.com/photo-1588796388882-a4d533c47e5e?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ' alt=''>

      </div>


      <a href="#" class="prev" title="Previous">&#10094</a>

      <a href="#" class="next" title="Next">&#10095</a>

    </div>

    <div class="dots-container">

      <span class="dot"></span>

      <span class="dot"></span>

      <span class="dot"></span>

      <span class="dot"></span>

    </div>

  </body>

</html>

<style>
.slide-container .prev,
.slide-container .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  margin-top: -22px;
  padding: 16px;
  color: white;
  font-weight: bold;
  font-size: 20px;
  transition: all 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
}

.slide-container .prev:hover,
.slide-container .next:hover {
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
}

.slide-container .prev {
  left: 2px;
}

.slide-container .next {
  right: 2px;
}

.dots-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px;
}

.dots-container .dot {
  cursor: pointer;
  margin: 5px;
  width: 20px;
  height: 20px;
  color: #333;
  border-radius: 50%;
  background-color: #dfd6ce;
}

.dots-container .dot.active {
  border: 2px solid green;
}

.slide-container {
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 1000px;
  margin: auto;
  position: relative;
}

.slide-container .slide {
  display: none;
  width: 100%;
}

.slide-container .slide.fade {
  animation: fade 0.5s cubic-bezier(0.55, 0.085, 0.68, 0.53) both;
}

.slide-container .slide img {
  width: 100%;
}
</style>

<script>
let currentSlide = 0;
const slides = document.querySelectorAll(".slide")
const dots = document.querySelectorAll('.dot')

const init = (n) => {
  slides.forEach((slide, index) => {
    slide.style.display = "none"
    dots.forEach((dot, index) => {
      dot.classList.remove("active")
    })
  })
  slides[n].style.display = "block"
  dots[n].classList.add("active")
}
document.addEventListener("DOMContentLoaded", init(currentSlide))
const next = () => {
  currentSlide >= slides.length - 1 ? currentSlide = 0 : currentSlide++
  init(currentSlide)
}

const prev = () => {
  currentSlide <= 0 ? currentSlide = slides.length - 1 : currentSlide--
  init(currentSlide)
}

document.querySelector(".next").addEventListener('click', next)

document.querySelector(".prev").addEventListener('click', prev)


setInterval(() => {
  next()
}, 5000);

dots.forEach((dot, i) => {
  dot.addEventListener("click", () => {
    console.log(currentSlide)
    init(i)
    currentSlide = i
  })
})

</script>

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