The read-only previousElementSibling property of the CharacterData interface returns the first Element before the current node in its parent's children list, or null if there is none.
An Element object, or null if no sibling has been found.
<div id="div-01">Here is div-01</div>
TEXT
<div id="div-02">Here is div-02</div>
SOME TEXT
<div id="div-03">Here is div-03</div>
<pre>Result</pre>// Initially set node to the Text node with `SOME TEXT`
let node = document.getElementById("div-02").nextSibling;
let result = "Previous element siblings of SOME TEXT:\n";
while (node) {
result += `${node.nodeName}\n`;
node = node.previousElementSibling;
}
document.querySelector("pre").textContent = result;