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                <svg viewBox="-10 -10 173 61">
  <path d="M153,20.89c0-45.88-74.95,0-74.95,0S.5,66.76.5,20.89s77.54,0,77.54,0S153,66.76,153,20.89Z" fill="none" stroke="#000" vector-effect="non-scaling-stroke" class="infinity" />
  <circle r="5" cx="0" cy="0" fill="purple" class="circle" />



                body {
  height: 100vh;
  overflow: hidden;
  display: grid;
  place-items: center;
  margin: 0;
svg {
  overflow: visible;
  width: 100%;
  height: 100vh;


                // Query DOM Elements
const path = document.querySelector('.infinity');
const circle = document.querySelector('.circle');

// Create an object that gsap can animate
const val = { distance: 0 };
// Create a tween, {
  // Animate from distance 0 to the total distance
  distance: path.getTotalLength(),
  // Loop the animation
  repeat: -1,
  // Make the animation lasts 5 seconds
  duration: 5,
  // Function call on each frame of the animation
  onUpdate: () => {
    // Query a point at the new distance value
    const point = path.getPointAtLength(val.distance);
    // Update the circle coordinates
    circle.setAttribute('cx', point.x);
    circle.setAttribute('cy', point.y);