Fade in on scroll

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Mon Apr 11 2022 15:40:00 GMT+0000 (Coordinated Universal Time)

//HTML
<div class="container">
      <div class="box box-1"></div>
      <div class="box box-2"></div>
      <div class="box box-3"></div>
      <div class="box box-4"></div>
      <div class="box box-5"></div>
</div>

//CSS
.container {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}

.box {
  width: calc(50% - 2rem);
  height: 100px;
  border-radius: 20px;
  margin: 1rem;
  transform: translateY(50px);
  opacity: 0;
  transition: all 0.5s;
}

.box-1 {
  background-color: coral;
}
.box-2 {
  background-color: cornflowerblue;
}
.box-3 {
  background-color: palegoldenrod;
}
.box-4 {
  background-color: violet;
}
.box-5 {
  background-color: palegreen;
}

.inView {
  opacity: 1;
  transform: translateY(0px);
}

//Javascript
const boxes = document.querySelectorAll('.box');

window.addEventListener('scroll', fadeIn);

function fadeIn() {
  boxes.forEach((box) => {
    //get viewport-point where the transition should happen
    let distanceInView =
      box.getBoundingClientRect().top - window.innerHeight + 20;

    if (distanceInView < 0) {
      box.classList.add('inView');
    } else {
      box.classList.remove('inView');
    }
  });
}

//call function if elements are already on screen when pafge loads
fadeIn();

COPY

https://codepen.io/bstonedev/pen/MWWZgKz

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Comments

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Fade in on scroll

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Fade in on scroll

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