How To Create A Slideshow - W3Schools

How TO - Slideshow ❮ Previous Next ❯

Learn how to create a responsive slideshow with CSS and JavaScript.

Slideshow / Carousel

A slideshow is used to cycle through elements:

1 / 4 Caption Text 2 / 4 Caption Two 3 / 4 Caption Three 4 / 4 Caption Four ❮ ❯

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Create A Slideshow

Step 1) Add HTML:

Example

<!-- Slideshow container --><div class="slideshow-container"> <!-- Full-width images with number and caption text --> <div class="mySlides fade"> <div class="numbertext">1 / 3</div> <img src="img1.jpg" style="width:100%"> <div class="text">Caption Text</div> </div> <div class="mySlides fade"> <div class="numbertext">2 / 3</div> <img src="img2.jpg" style="width:100%"> <div class="text">Caption Two</div> </div> <div class="mySlides fade"> <div class="numbertext">3 / 3</div> <img src="img3.jpg" style="width:100%"> <div class="text">Caption Three</div> </div> <!-- Next and previous buttons --> <a class="prev" onclick="plusSlides(-1)">&#10094;</a> <a class="next" onclick="plusSlides(1)">&#10095;</a></div><br> <!-- The dots/circles --><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>

Step 2) Add CSS:

Style the next and previous buttons, the caption text and the dots:

Example

* {box-sizing:border-box}/* Slideshow container */.slideshow-container { max-width: 1000px; position: relative; margin: auto;}/* Hide the images by default */.mySlides { display: none;}/* Next & previous buttons */ .prev, .next { cursor: pointer; position: absolute; top: 50%; width: auto; margin-top: -22px; padding: 16px; 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}}

Step 3) Add JavaScript:

Example

let slideIndex = 1;showSlides(slideIndex);// Next/previous controlsfunction plusSlides(n) { showSlides(slideIndex += n);}// Thumbnail image controlsfunction 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";} Try it Yourself »

Automatic Slideshow

To display an automatic slideshow, use the following code:

Example

let slideIndex = 0;showSlides();function showSlides() { let i; let slides = document.getElementsByClassName("mySlides"); for (i = 0; i < slides.length; i++) { slides[i].style.display = "none"; } slideIndex++; if (slideIndex > slides.length) {slideIndex = 1} slides[slideIndex-1].style.display = "block"; setTimeout(showSlides, 2000); // Change image every 2 seconds} Try it Yourself »

Multiple Slideshows

Example

let slideIndex = [1,1];/* Class the members of each slideshow group with different CSS classes */let slideId = ["mySlides1", "mySlides2"] showSlides(1, 0);showSlides(1, 1);function plusSlides(n, no) { showSlides(slideIndex[no] += n, no);}function showSlides(n, no) { let i; let x = document.getElementsByClassName(slideId[no]); if (n > x.length) {slideIndex[no] = 1} if (n < 1) {slideIndex[no] = x.length} for (i = 0; i < x.length; i++) { x[i].style.display = "none"; } x[slideIndex[no]-1].style.display = "block"; } Try it Yourself »

Tip: Also check out How To - Slideshow Gallery and How To - Lightbox.

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