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().filter htmlcollection
const existingElements = document.querySelectorAll(".chapter-list-item");
const chapters = Array.from(existingElements)
.filter(chapter => !chapter.classList.contains("active"))
console.log("Found elements:")
for (const chapter of chapters) {
console.log(chapter.textContent, chapter.className)
}filter htmlcollection
const chapters = document.querySelectorAll(".chapter-list-item:not(.active)");
console.log("Found elements:")
for (const chapter of chapters) {
console.log(chapter.textContent, chapter.className)
}Copyright © 2021 Codeinu
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