import { createScope, animate } from 'animejs';

createScope({ root: '.row:nth-child(2)' })
.add(() => {
  animate('.square', {
    x: '17rem',
    loop: true,
    alternate: true
  });
});

<div class="medium row">
  <div class="square"></div>
  <div class="padded label">outside scope</div>
</div>
<div class="medium row">
  <div class="square"></div>
  <div class="padded label">inside scope</div>
</div>
<div class="medium row">
  <div class="square"></div>
  <div class="padded label">outside scope</div>
</div>