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HTML

              
                <script type="module" src="https://cdn.jsdelivr.net/npm/@proyecto26/animatable-component@1.1.10/dist/animatable-component/animatable-component.esm.js"></script>
<animatable-component
  autoplay
  class='myCircle'
  animation="heartBeat"
  iterations="Infinity"
  easing="ease-in-out"
  duration="1200"
  delay="500"
>
  <div class="circle"></div>
</animatable-component>
              
            
!

CSS

              
                html, body {
    height: 100%;
}
body {
    height: 100%;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.circle {
  display: block;
  background-color: red;
  width: 50px;
  height: 50px;
  border-radius: 50%;
}
              
            
!

JS

              
                /**
 * <animatable/> WebComponent => https://github.com/proyecto26/animatable-component
 */

const animatable = document.querySelector('.myCircle');

/*animatable.options = {
  duration: 1000,
  fill: 'both', //none, forwards, backwards, both
  easing: 'ease-in-out-sine', // easing functions or custom function
  composite: 'replace', //replace, add, accumulate
  direction: 'normal', //normal, reverse, alternate, alternate-reverse
  iterations: 1, // Infinity
  endDelay: 600 // delay after the end of an animation
}
animatable.keyFrames = [
  { offset: 0, easing: 'ease-out', transform: 'scale(1)' },
  { offset: 1, easing: 'ease-out', transform: 'scale(3)' }
]*/
              
            
!
999px

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