anime.js logo v4 Anime.js | JavaScript Animation Engine

ScrollObserver Synchronisation modes

Since 4.0.0

Playback progress

Perfectly synchronises the playback progress of the linked object to the scroll position by passing a value of either true or 1.

Accepts

  • 1
  • true

Playback progress code example

import { animate, onScroll } from 'animejs';

animate('.square', {
  x: '15rem',
  rotate: '1turn',
  ease: 'linear',
  autoplay: onScroll({
    container: '.scroll-container',
    enter: 'bottom-=50 top',
    leave: 'top+=60 bottom',
    sync: true,
    debug: true,
  })
});
<div class="scroll-container scroll-y">
  <div class="scroll-content grid square-grid">
    <div class="scroll-section padded">
      <div class="large row">
        <div class="label">scroll down</div>
      </div>
    </div>
    <div class="scroll-section padded">
      <div class="large row">
        <div class="square"></div>
      </div>
    </div>
    <div class="scroll-section">
    </div>
  </div>
</div>
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