Super flexible carousel. One hundred lines of JavaScript code to make responsive carousel with whatever number of slides at same time you need. Enjoy!
A Pen by Stan Williams on CodePen.
Created
January 22, 2026 03:42
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Flexible Carousel
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| <div class="carousel-wrapper" id="products"> | |
| <ul class="carousel-inner clearfix"> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, sit boy! Good dog! 🐶. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, sit boy! Good Dog! ! 🐶 See Spot run! adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum Moose names mipsun! amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum Car named kitsum, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dollar sit amet, sit boy! consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis Mcmoose</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| </ul> | |
| <a href="#" class="carousel-left"></a> | |
| <a href="#" class="carousel-right"></a> | |
| </div> | |
| <div class="carousel-wrapper" id="products2"> | |
| <ul class="carousel-inner clearfix"> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| </ul> | |
| <a href="#" class="carousel-left"></a> | |
| <a href="#" class="carousel-right"></a> | |
| </div> | |
| <div class="carousel-wrapper" id="products3"> | |
| <ul class="carousel-inner clearfix"> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| <li class="item"> | |
| <p class="item-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dictum nulla vehicula hendrerit eleifend. Proin in metus sed enim sagittis tristique.</p> | |
| </li> | |
| </ul> | |
| <a href="#" class="carousel-left"></a> | |
| <a href="#" class="carousel-right"></a> | |
| </div> |
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| /***** | |
| * Carousel control | |
| */ | |
| var Carousel = function (elId, mode) { | |
| var wrapper = document.getElementById(elId); | |
| var innerEl = wrapper.getElementsByClassName('carousel-inner')[0]; | |
| var leftButton = wrapper.getElementsByClassName('carousel-left')[0]; | |
| var rightButton = wrapper.getElementsByClassName('carousel-right')[0]; | |
| var items = wrapper.getElementsByClassName('item'); | |
| this.carouselSize = items.length; | |
| this.itemWidth = null; | |
| this.itemOuterWidth = null; | |
| this.currentStep = 0; | |
| this.itemsAtOnce = 3; | |
| this.minItemWidth = 200; | |
| this.position = innerEl.style; | |
| this.mode = mode; | |
| this.init = function (mode) { | |
| this.itemsAtOnce = mode; | |
| this.calcWidth(wrapper, innerEl, items); | |
| cb_addEventListener(leftButton, 'click', this.goLeft.bind(this)); | |
| cb_addEventListener(rightButton, 'click', this.goRight.bind(this)); | |
| cb_addEventListener(window, 'resize', this.calcWidth.bind(this, wrapper, innerEl, items)); | |
| }; | |
| return this.init(mode); | |
| }; | |
| Carousel.prototype = { | |
| goLeft: function(e) { | |
| e.preventDefault(); | |
| if (this.currentStep) { | |
| --this.currentStep; | |
| } else { | |
| this.currentStep = this.carouselSize - this.itemsAtOnce; | |
| } | |
| this.makeStep(this.currentStep); | |
| return false; | |
| }, | |
| goRight: function(e) { | |
| e.preventDefault(); | |
| if (this.currentStep < (this.carouselSize - this.itemsAtOnce)) { | |
| ++this.currentStep; | |
| } else { | |
| this.currentStep = 0; | |
| } | |
| this.makeStep(this.currentStep); | |
| return false; | |
| }, | |
| makeStep: function(step) { | |
| this.position.left = -(this.itemOuterWidth * step) + 'px'; | |
| }, | |
| calcWidth: function(wrapper, innerEl, items) { | |
| this.beResponsive(); | |
| var itemStyle = window.getComputedStyle(items[0]); | |
| var innerElStyle = innerEl.style; | |
| var carouselLength = this.carouselSize; | |
| var wrapWidth = wrapper.offsetWidth - parseInt(itemStyle.marginRight, 10) * (this.itemsAtOnce + 1); | |
| innerElStyle.display = 'none'; | |
| this.itemWidth = wrapWidth / this.itemsAtOnce; | |
| this.itemOuterWidth = this.itemWidth + parseInt(itemStyle.marginRight, 10); | |
| for (i = 0; i < carouselLength; i++) { | |
| items[i].style.width = this.itemWidth + 'px'; | |
| } | |
| innerElStyle.width = this.itemOuterWidth * this.carouselSize + 'px'; | |
| innerElStyle.display = 'block'; | |
| }, | |
| beResponsive: function() { | |
| var winWidth = window.innerWidth; | |
| if (winWidth >= 650 && winWidth < 950 && this.itemsAtOnce >= 2) { | |
| this.itemsAtOnce = 2; | |
| } | |
| else if (winWidth < 650) { | |
| this.itemsAtOnce = 1; | |
| } | |
| else { | |
| this.itemsAtOnce = this.mode; | |
| } | |
| } | |
| } | |
| /** | |
| * Cross-browser Event Listener | |
| **/ | |
| function cb_addEventListener(obj, evt, fnc) { | |
| if (obj && obj.addEventListener) { | |
| obj.addEventListener(evt, fnc, false); | |
| return true; | |
| } else if (obj && obj.attachEvent) { | |
| return obj.attachEvent('on' + evt, fnc); | |
| } | |
| return false; | |
| } | |
| //Initializing carousel | |
| if (document.getElementById('products')) { | |
| var productsCarousel = new Carousel('products', 3); | |
| } | |
| if (document.getElementById('products2')) { | |
| var productsCarousel = new Carousel('products2', 2); | |
| } | |
| if (document.getElementById('products3')) { | |
| var productsCarousel = new Carousel('products3', 1); | |
| } |
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| <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> |
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| body { | |
| counter-reset: item; | |
| } | |
| .carousel-wrapper { | |
| width: 100%; | |
| height: 250px; | |
| overflow: hidden; | |
| position: relative; | |
| } | |
| .carousel-inner { | |
| height: 100%; | |
| position: relative; | |
| padding: 0 0 0 50px; | |
| left: 0; | |
| margin: 0; | |
| transition: all 1s; | |
| } | |
| .carousel-inner .item { | |
| height: 100%; | |
| float: left; | |
| list-style: none; | |
| padding: 0; | |
| margin: 0 50px 0 0; | |
| } | |
| .carousel-inner .item:before { | |
| counter-increment: item; | |
| content: counter(item); | |
| } | |
| .carousel-left, .carousel-right { | |
| width: 30px; | |
| height: 100%; | |
| position: absolute; | |
| top: 0; | |
| } | |
| .carousel-left:before, .carousel-right:before { | |
| content: ""; | |
| background: #666; | |
| width: 30px; | |
| height: 100%; | |
| position: absolute; | |
| top: 0; | |
| opacity: 0.5; | |
| } | |
| .carousel-left:hover:before, .carousel-right:hover:before { | |
| opacity: 0.8; | |
| } | |
| .carousel-left { | |
| left: 0; | |
| } | |
| .carousel-right { | |
| right: 0; | |
| } | |
| /*Demo styles*/ | |
| .carousel-wrapper { | |
| background: #055252; | |
| padding: 30px 0; | |
| } | |
| .carousel-inner .item { | |
| background: #eee; | |
| padding: 1em 2em; | |
| font-size: 1.2em; | |
| box-sizing: border-box; | |
| box-shadow: 1px 1px 3px 0 #333; | |
| } | |
| .carousel-inner .item:hover { | |
| background: #fff; | |
| box-shadow: 1px 1px 3px 2px #333; | |
| } | |
| .carousel-left:before, .carousel-right:before { | |
| background: url(https://i.imgur.com/Ej5hS07.png) no-repeat; | |
| width: 50px; | |
| } | |
| .carousel-left:before { | |
| left: 0; | |
| background-position: -20% center; | |
| } | |
| .carousel-right:before { | |
| right: 0; | |
| background-position: -40px center; | |
| } |
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