CharacterData.nextElementSibling

TEXT
<div id="div-01">Here is div-01</div>
TEXT2
<div id="div-02">Here is div-02</div>
<pre>Here is the result area</pre>

// Initially, set node to the Text node with `TEXT`
let node = document.getElementById('div-01').previousSibling;

let result = 'Next element siblings of TEXT:\n';

while (node) {
  result += node.nodeName + '\n';
  node = node.nextElementSibling; // The first node is a CharacterData, the others Element objects
}

document.getElementsByTagName('pre')[0].textContent = result;