npm i follow-path
import FollowPath from 'follow-path';
Or include the built file directly:
<script src="node_modules/follow-path/dist/index.js"></script>
<svg height="700" width="1000">
<polyline points="0,350 200,100 400,400 600,50 1000,350"
style="fill:transparent;stroke:black;stroke-width:5px" />
</svg>
<div class="element"></div>
const fp = new FollowPath({
element: document.querySelector('.element'),
duration: 3000,
path: document.querySelector('polyline'),
iterations: 2
});
fp.animate();