JAVASCRIPT

go to nextelementsibling

<div id="div-01">Here is div-01</div>
<div id="div-02">Here is div-02</div>

<script type="text/javascript">
  let el = document.getElementById('div-01').nextElementSibling;
  console.log('Siblings of div-01:');
  while (el) {
    console.log(el.nodeName);
    el = el.nextElementSibling;
  }
</script>