[twitter-bootstrap] Bootstrap Carousel Full Screen

You can do it without forcing html and body to me 100% height. Use view port height instead. And with mouse wheel control too.

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function debounce(func, wait, immediate) {_x000D_
  var timeout;_x000D_
  return function() {_x000D_
    var context = this,_x000D_
      args = arguments;_x000D_
    var later = function() {_x000D_
      timeout = null;_x000D_
      if (!immediate) func.apply(context, args);_x000D_
    };_x000D_
    var callNow = immediate && !timeout;_x000D_
    clearTimeout(timeout);_x000D_
    timeout = setTimeout(later, wait);_x000D_
    if (callNow) func.apply(context, args);_x000D_
  };_x000D_
}_x000D_
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var slider = document.getElementById("demo");_x000D_
var onScroll = debounce(function(direction) {_x000D_
  //console.log(direction);_x000D_
  if (direction == false) {_x000D_
   $('.carousel-control-next').click();_x000D_
  } else {_x000D_
   $('.carousel-control-prev').click();_x000D_
  }_x000D_
}, 100, true);_x000D_
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slider.addEventListener("wheel", function(e) {_x000D_
  e.preventDefault();_x000D_
  var delta;_x000D_
  if (event.wheelDelta) {_x000D_
    delta = event.wheelDelta;_x000D_
  } else {_x000D_
    delta = -1 * event.deltaY;_x000D_
  }_x000D_
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  onScroll(delta >= 0);_x000D_
});
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.carousel-item {_x000D_
  height: 100vh;_x000D_
  background: #212121;_x000D_
}_x000D_
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.carousel-control-next,_x000D_
.carousel-control-prev {_x000D_
  width: 8% !important;_x000D_
}_x000D_
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.carousel-item.active,_x000D_
.carousel-item-left,_x000D_
.carousel-item-right {_x000D_
  display: flex !important;_x000D_
  justify-content: center;_x000D_
  align-items: center;_x000D_
}_x000D_
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.carousel-item h1 {_x000D_
    color: #fff;_x000D_
    font-size: 72px;_x000D_
    padding: 0 10%;_x000D_
 }
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<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css" rel="stylesheet" />_x000D_
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>_x000D_
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>_x000D_
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<div id="demo" class="carousel slide" data-ride="carousel" data-interval="false">_x000D_
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  <!-- The slideshow -->_x000D_
  <div class="carousel-inner">_x000D_
    <div class="carousel-item active">_x000D_
      <h1 class="display-1 text-center">Lorem ipsum dolor sit amet adipisicing</h1>_x000D_
    </div>_x000D_
    <div class="carousel-item">_x000D_
      <h1 class="display-1 text-center">Inventore omnis odio, dolore culpa atque?</h1>_x000D_
    </div>_x000D_
    <div class="carousel-item">_x000D_
     <h1 class="display-1 text-center">Lorem ipsum dolor sit</h1>_x000D_
    </div>_x000D_
  </div>_x000D_
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  <!-- Left and right controls -->_x000D_
  <a class="carousel-control-prev" href="#demo" data-slide="prev">_x000D_
    <span class="carousel-control-prev-icon"></span>_x000D_
  </a>_x000D_
  <a class="carousel-control-next" href="#demo" data-slide="next">_x000D_
    <span class="carousel-control-next-icon"></span>_x000D_
  </a>_x000D_
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</div>
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