Responsive Fullscreen Carousel With CSS3 And Vanilla JavaScript – Baarousel

Category: Javascript , Slider | February 6, 2018
Author:MatthewBaa
Views Total:3,984 views
Official Page:Go to website
Last Update:February 6, 2018
License:MIT

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Responsive Fullscreen Carousel With CSS3 And Vanilla JavaScript – Baarousel

Description:

A responsive, fullscreen carousel built using vanilla JavaScript and CSS3 that makes it possible to transition between any block elements with a CSS3 powered swipe transition effect.

How to use it:

Add as many slides to the carousel.

<div class="carousel">
  <div class="viewport">
      <div class="slide-container">
        <div class="slide-3">
        </div>
      </div>
      <div class="slide-container">
        <div class="slide-2">
        </div>
      </div>
      <div class="slide-container">
        <div class="slide-1">
        </div>
      </div>
  </div>
</div>

The basic CSS for the carousel.

.carousel {
  width: 100%;
  height: 100vh;
  box-sizing: border-box;
}
.viewport {
  width: 100%;
  height: 100%;
  position: relative;
  background-color: black;
}
.slide-container {
  width: 100%;
  height: 100%;
  position: absolute;
}
.slide-container > div {
  width: 100%;
  height: 100%;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  animation-name: swipe;
  animation-duration: 15s; /* 5 * number of slides. */
  animation-iteration-count: infinite;
  animation-timing-function: cubic-bezier(1, 0, 0, 1);
  z-index: 1;
  position: absolute;
  background-color: white;
}

The CSS3 for the swipe transition effect.

@keyframes 
swipe {  0% {
 z-index: 1;
 will-change: width;
}
 15% {
 width: 0;
 visibility: hidden;
}
 30% {
 z-index: 0;
 width: 100%;
}
 65.9% { /* (Numer of slides * 10) + 36 - 0.1. */
 z-index: 0;
 visibility: hidden;
}
 66% { /* (Numer of slides * 10) + 36. */
 visibility: visible;
}
}

Add background images to the slides.

.slide-1 {
  background: url(images/1.jpeg) no-repeat center center fixed;
  animation-delay: 5s;
}
.slide-2 {
  background: url(images/2.jpg) no-repeat center center fixed;
  animation-delay: 10s;
}
.slide-3 {
  background: url(images/3.jpeg) no-repeat center center fixed;
  animation-delay: 15s;
}

The main JavaScript to activate the carousel on page load.

const slidesContainers = document.querySelectorAll('.slide-container');
const wrapper = document.querySelector('.wrapper');
let panAmount = 5;
function init() {
  slidesContainers.style.width = (100 + slidesContainers.length * panAmount) + "%"; // Set wrapper width based on number of slides + panAmount.
  for (var i = 0; i < slidesContainers.length; i++) {
    slidesContainers.style.width = 100 / slidesContainers.length + "%"; // Fit slides into the wrapper.
  }
}
init();

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