LE framework responsive, mobile first en CSS :-)
Analysez et inspirez-vous du code disponible sur le site de W3Schools : Diaporama
prérequis : préparez 3 images de 1000px sur 350px
index.html
header
,
footer
div
contenant les images, dans la balise header
script
, dans la balise body
, juste avant la fermeture de la balisehead
<!DOCTYPE html>
<html>
<head>
<title>Tendances WEB 2023</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
<style>
.mySlides {display:none}
.w3-left, .w3-right, .w3-badge {cursor:pointer}
.w3-badge {height:13px; width:13px; padding:0}
</style>
</head>
<body>
<header>
<div class="w3-content w3-display-container" style="max-width:1000px">
<img class="mySlides" src="img/1-nepal.jpg" style="width:100%">
<img class="mySlides" src="img/2-loup.png" style="width:100%">
<img class="mySlides" src="img/3-weave.png" style="width:100%">
<div class="w3-center w3-container w3-section w3-large w3-text-white w3-display-bottommiddle" style="width:100%">
<div class="w3-left w3-hover-text-khaki" onclick="plusDivs(-1)">❮</div>
<div class="w3-right w3-hover-text-khaki" onclick="plusDivs(1)">❯</div>
<span class="w3-badge demo w3-border w3-transparent w3-hover-white" onclick="currentDiv(1)"></span>
<span class="w3-badge demo w3-border w3-transparent w3-hover-white" onclick="currentDiv(2)"></span>
<span class="w3-badge demo w3-border w3-transparent w3-hover-white" onclick="currentDiv(3)"></span>
</div>
</div>
</header>
<section class="w3-container w3-center">
<h1>Tendances WEB 2023</h1>
<p class="w3-animate-fading">Nous sommes partout, à tout moment et tout le monde à la fois.</p>
</section>
<footer class="w3-center">
_
</footer>
<script>
var slideIndex = 1;
showDivs(slideIndex);
function plusDivs(n) {
showDivs(slideIndex += n);
}
function currentDiv(n) {
showDivs(slideIndex = n);
}
function showDivs(n) {
var i;
var x = document.getElementsByClassName("mySlides");
var dots = document.getElementsByClassName("demo");
if (n > x.length) {
slideIndex = 1
}
if (n < 1) {
slideIndex = x.length
}
for (i = 0; i < x.length; i++) {
x[i].style.display = "none";
}
for (i = 0; i < dots.length; i++) {
dots[i].className = dots[i].className.replace(" w3-white", "");
}
x[slideIndex - 1].style.display = "block";
dots[slideIndex - 1].className += " w3-white";
}
</script>
</body>
</html>
Rendu
Téléchargement