Html Slideshow

A slideshow is used to cycle through elements.

See more at https://www.w3schools.com/howto/howto\_js\_slideshow.asp

Code:

```
<style>
\* {box-sizing: border-box}
body {font-family: Verdana, sans-serif; margin:0}
.mySlides {display: none}
img {vertical-align: middle;}

/\* Slideshow container \*/
.slideshow-container {
 max-width: 1000px;
 position: relative;
 margin: auto;
}

/\* Next & previous buttons \*/
.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 the "next button" to the right \*/
.next {
 right: 0;
 border-radius: 3px 0 0 3px;
}

/\* On hover, add a black background color with a little bit see-through \*/
.prev:hover, .next:hover {
 background-color: rgba(0,0,0,0.8);
}

/\* Caption text \*/
.text {
 color: #f2f2f2;
 font-size: 15px;
 padding: 8px 12px;
 position: absolute;
 bottom: 8px;
 width: 100%;
 text-align: center;
}

/\* Number text (1/3 etc) \*/
.numbertext {
 color: #f2f2f2;
 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: #bbb;
 border-radius: 50%;
 display: inline-block;
 transition: background-color 0.6s ease;
}

.active, .dot:hover {
 background-color: #717171;
}

/\* Fading animation \*/
.fade {
 animation-name: fade;
 animation-duration: 1.5s;
}

@keyframes fade {
 from {opacity: .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="img\_nature\_wide.jpg" style="width:100%">
  <div class="text">Caption Text</div>
</div>

<div class="mySlides fade">
  <div class="numbertext">2 / 3</div>
  <img src="img\_snow\_wide.jpg" style="width:100%">
  <div class="text">Caption Two</div>
</div>

<div class="mySlides fade">
  <div class="numbertext">3 / 3</div>
  <img src="img\_mountains\_wide.jpg" style="width:100%">
  <div class="text">Caption Three</div>
</div>

<a class="prev" onclick="plusSlides(-1)">❮</a>
<a class="next" onclick="plusSlides(1)">❯</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>
let slideIndex = 1;
showSlides(slideIndex);

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

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

function showSlides(n) {
 let i;
 let slides = document.getElementsByClassName("mySlides");
 let dots = document.getElementsByClassName("dot");
 if (n > slides.length) {slideIndex = 1}
 if (n < 1) {slideIndex = slides.length}
 for (i = 0; i < slides.length; i++) {
 slides[i].style.display = "none";
 }
 for (i = 0; i < dots.length; i++) {
 dots[i].className = dots[i].className.replace(" active", "");
 }
 slides[slideIndex-1].style.display = "block";
 dots[slideIndex-1].className += " active";
}
</script>

```

1. ↑ Read more about slideshows here: Sildeshow meaning