import { createLayout, utils } from 'animejs';

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

const layout = createLayout('.layout-container');

function animateLayout() {
  layout.update(({ root }) => {
    const items = [...root.querySelectorAll('.item')];
    utils.shuffle(items).forEach($el => root.appendChild($el))
  });
}

$button.addEventListener('click', animateLayout);

<div class="large layout centered row">
  <div class="layout-container row">
    <div class="item col">A</div>
    <div class="item col">B</div>
    <div class="item col">C</div>
    <div class="item col">D</div>
    <div class="item col">E</div>
    <div class="item col">F</div>
    <div class="item col">G</div>
  </div>
</div>
<div class="medium row">
  <fieldset class="controls">
    <button class="button">Shuffle</button>
  </fieldset>
</div>