Basic Content Slider with Vanilla Javascript

A vanillas JavaScript slider to help you display any Html elements with various transition/easing effects.

How to use it:

Wrap your content e.g. images into DIV elements as children slides for the slider:

<div id="fadeSlider" class="sliderWrapper">
  <div class="slider">
    <div class="slide"><img src="https://unsplash.it/600/400?image=529"></div>
    <div class="slide"><img src="https://unsplash.it/600/400?image=539"></div>
    <div class="slide"><img src="https://unsplash.it/600/400?image=549"></div>
    <div class="slide"><img src="https://unsplash.it/600/400?image=559"></div>
  </div>
</div>

The basic CSS styles for the slider & navigation.

.sliderWrapper {
  box-shadow: 0 0 40px 10px #000;
  height: 140px;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
  width: 320px;
}
.sliderWrapper .slider {
  background: #aaa;
  overflow: hidden;
  height: 100%;
  position: relative;
  width: 100%;
}
.sliderWrapper .slider .slide {
  display: none;
  height: 100%;
  position: absolute;
  width: 100%;
}
.sliderWrapper .slider .slide img {
  width: 100%;
  height: 100%;
}
.sliderWrapper .slider-directions .slider-directions-prev,
.sliderWrapper .slider-directions .slider-directions-next {
  cursor: pointer;
  background: #eee;
  color: #333;
  height: 48px;
  position: absolute;
  top: 35%;
  width: 24px;
  z-index: 10;
  box-shadow: 0;
  transition-property: left, right, box-shadow;
  transition-duration: 0.5s;
  transition-timing-function: ease;
}
.sliderWrapper .slider-directions .slider-directions-prev:after,
.sliderWrapper .slider-directions .slider-directions-next:after {
  content: 'O';
  display: block;
  line-height: 48px;
}
.sliderWrapper .slider-directions .slider-directions-prev { left: -24px; }
.sliderWrapper:hover .slider-directions .slider-directions-prev {
  left: 0;
  box-shadow: 0 0 8px 0 rgba(0,0,0,0.8);
}
.sliderWrapper .slider-directions .slider-directions-prev:after { content: '«'; }
.sliderWrapper .slider-directions .slider-directions-next { right: -24px; }
.sliderWrapper:hover .slider-directions .slider-directions-next {
  right: 0;
  box-shadow: 0 0 8px 0 rgba(0,0,0,0.8);
}
.sliderWrapper .slider-directions .slider-directions-next:after { content: '»'; }
.sliderWrapper .slider-navigation {
  bottom: -24px;
  color: #333;
  left: 2px;
  position: absolute;
  z-index: 10;
  transition-property: bottom;
  transition-duration: 0.5s;
  transition-timing-function: ease;
}
.sliderWrapper:hover .slider-navigation { bottom: 2px; }
.sliderWrapper .slider-navigation .slider-navigation-item {
  cursor: pointer;
  background: #eee;
  border-radius: 100%;
  box-shadow: 0;
  display: inline-block;
  float: left;
  height: 12px;
  margin-left: 2px;
  margin-right: 2px;
  text-indent: -9999px;
  width: 12px;
  transition-property: box-shadow;
  transition-duration: 0.5s;
  transition-timing-function: ease;
}
.sliderWrapper:hover .slider-navigation .slider-navigation-item { box-shadow: 0 0 8px 0 rgba(0,0,0,0.8); }
.sliderWrapper .slider-navigation .slider-navigation-item.active {
  background: #333;
  color: #eee;
}

Load the needed slider.js at the bottom of your webpage.

 <script src="js/slider.js"></script>

Initialize the slider and specify the transition effect you want to use.

var demoSlider = new slider('#demoSlider', {
// options
transition: {
  effect: 'fadeIn', 
  easing: 'linear'
}
});

All the default options.

var demoSlider = new slider('#demoSlider', {
// CSS classes
classes: {
  navigation: 'slider-navigation',
  navigationItem: 'slider-navigation-item',
  direction: 'slider-directions',
  directionPrev: 'slider-directions-prev',
  directionNext: 'slider-directions-next',
  slider: 'slider',
  slide: 'slide',
},
// default transition options
transition: {
  duration: 800,
  // fadeIn, slideInTop, slideInRight, slideInBottom, slideInLeft, slideInTopLeft, slideInTopRight, slideInBottomLeft, slideInBottomRight, slideInVertical, slideInHorizontal, slideInVerticalReversed, slideInHorizontalReversed
  effect: 'slideInHorizontal',
  easing: 'easeInOutExpo'
},
pause: 2000,
autoRun: true,
random: false,
direction: true,
navigation: true
});