The Element.nextElementSibling read-only property returns the element immediately following the specified one in its parent's children list, or null if the specified element is the last one in the list.
An Element object, or null.
<div id="div-01">Here is div-01</div>
<div id="div-02">Here is div-02</div>let el = document.getElementById("div-01").nextElementSibling;
console.log("Siblings of div-01:");
while (el) {
console.log(el.nodeName);
el = el.nextElementSibling;
}This example outputs the following into the console when it loads:
Siblings of div-01: DIV SCRIPT