import { createLayout, utils, spring } from 'animejs';

const [ $buttonA, $buttonB ] = utils.$('.controls button');

const layout = createLayout('.layout-container', {
  ease: 'outExpo'
});

function animateLayout(ease) {
  // You can override the layout default ease in the update() method parameters
  layout.update(({ root }) => root.classList.toggle('row'), { ease });
}

const animateWith500MsDelay = () => animateLayout();
const animateWithStaggerDelay = () => animateLayout(spring());

$buttonA.addEventListener('click', animateWith500MsDelay);
$buttonB.addEventListener('click', animateWithStaggerDelay);

<div class="large layout centered row">
  <div class="layout-container col grid-layout row">
    <div class="item col">Item 1</div>
    <div class="item col">Item 2</div>
  </div>
</div>
<div class="medium row">
  <fieldset class="controls">
    <button class="button">'outExpo'</button>
    <button class="button">spring()</button>
  </fieldset>
</div>