array HTMLCollection code example
Example 1: create array from htmlcollection
//Use the Array.from() method to convert a nodelist or HTMLcollection into an array.
let elements = document.getElementsByClassName("classnameHere");
let arrayOfElements = Array.from(elements);
//Now arrayOfElements is iterable with methods such as .forEach().
Example 2: html collection of elements to array
<div class="box"></div>
<div class="box"></div>
<div class="box"></div>
<div class="box"></div>
<script>
const boxes = document.getElementsByClassName('box');
</script>