import { animate, utils } from 'animejs';

const [ $log ] = utils.$('code');

const vector2D = { x: 0, y: 0 };

animate(vector2D, {
  x: 100,
  y: 150,
  modifier: utils.round(0),
  onUpdate: () => $log.textContent = JSON.stringify(vector2D),
});

<pre class="row large centered">
  <code>{"x":0,"y":0}</code>
</pre>