Créer un Diaporama avec CSS et JavaScript

Source Code: (back to article)

<!DOCTYPE html>
<html>
  <head>
    <title>Images de diaporama</title>
    <style>
      * {
        box-sizing: border-box;
      }
      body {
        font-family: Verdana, sans-serif;
        margin: 0;
      }
      .mySlides {
        display: none;
      }
      img {
        vertical-align: middle;
      }
      .slideshow-container {
        max-width: 1000px;
        position: relative;
        margin: auto;
      }
      /* Boutons next & previous */
      .prev,
      .next {
        cursor: pointer;
        position: absolute;
        top: 50%;
        width: auto;
        padding: 16px;
        margin-top: -22px;
        color: white;
        font-weight: bold;
        font-size: 18px;
        transition: 0.6s ease;
        border-radius: 0 3px 3px 0;
        user-select: none;
      }
      /* Position de "next button" à la droite */
      .next {
        right: 0;
        border-radius: 3px 0 0 3px;
      }
      /* En survol, ajoutez la couleur noire de l'arrière-plan avec un peu see-through */
      .prev:hover,
      .next:hover {
        background-color: rgba(0, 0, 0, 0.8);
      }
      /* Caption */
      .text {
        color: #ffffff;
        font-size: 15px;
        padding: 8px 12px;
        position: absolute;
        bottom: 8px;
        width: 100%;
        text-align: center;
      }
      /* Number text (1/3 etc) */
      .numbertext {
        color: #ffffff;
        font-size: 12px;
        padding: 8px 12px;
        position: absolute;
        top: 0;
      }
      /* The dots/bullets/indicators */
      .dot {
        cursor: pointer;
        height: 15px;
        width: 15px;
        margin: 0 2px;
        background-color: #999999;
        border-radius: 50%;
        display: inline-block;
        transition: background-color 0.6s ease;
      }
      .active,
      .dot:hover {
        background-color: #111111;
      }
      /* Fading animation */
      .fade {
        -webkit-animation-name: fade;
        -webkit-animation-duration: 1.5s;
        animation-name: fade;
        animation-duration: 1.5s;
      }
      @-webkit-keyframes fade {
        from {
          opacity: 0.4;
        }
        to {
          opacity: 1;
        }
      }
      @keyframes fade {
        from {
          opacity: 0.4;
        }
        to {
          opacity: 1;
        }
      }
      /* On smaller screens, decrease text size */
      @media only screen and (max-width: 300px) {
        .prev,
        .next,
        .text {
          font-size: 11px;
        }
      }
    </style>
  </head>
  <body>
    <div class="slideshow-container">
      <div class="mySlides fade">
        <div class="numbertext">1 / 3</div>
        <img src="/uploads/media/default/0001/03/66cf5094908491e69d8187bcf934050a4800b37f.jpeg" style="width: 100%;" />
        <div class="text">London, Ebgland</div>
      </div>
      <div class="mySlides fade">
        <div class="numbertext">2 / 3</div>
        <img src="/uploads/media/default/0001/03/b7d624354d5fa22e38b0ab1f9b905fb08ccc6a05.jpeg" style="width: 100%;" />
        <div class="text">Sunset in Romania</div>
      </div>
      <div class="mySlides fade">
        <div class="numbertext">3 / 3</div>
        <img src="/uploads/media/default/0001/03/5bfad15a7fd24d448a48605baf52655a5bbe5a71.jpeg" style="width: 100%;" />
        <div class="text">New York, USA</div>
      </div>
      <a class="prev" onclick="plusSlides(-1)">&#10094;</a>
      <a class="next" onclick="plusSlides(1)">&#10095;</a>
    </div>
    <br />
    <div style="text-align: center;">
      <span class="dot" onclick="currentSlide(1)"></span>
      <span class="dot" onclick="currentSlide(2)"></span>
      <span class="dot" onclick="currentSlide(3)"></span>
    </div>
    <script>
      var slideIndex = 1;
      showSlides(slideIndex);

function plusSlides(n) {
        showSlides((slideIndex += n));
      }

function currentSlide(n) {
        showSlides((slideIndex = n));
      }