JavaScript loop querySelectorAll results


We will learn three ways to loop over a querySelectorAll nodeList in Vanilla JavaScript. See the code examples in the Codepen.

4 Dec, 2020 · 2 min read

Let’s talk about JavaScript NodeLists. Node lists are the results of a querySelectorAll() query.

They are not an array, but they look and behave similarly. It can be tricky looping over their items and there are multiple ways to *loop through a NodeList.

This is how the selector looks like:

const items = document.querySelectorAll('li');

And the result of the JavaScript querySelectorAll is a NodeList object:

JavaScript NodeList

1. Basic for loop

To loop through a result from querySelectorAll you can use the basic for loop. It is by far the best-supported method. It’s well supported on all browsers and recommended if you need to support older browsers.

See the code here:

for (let i = 0; i < items.length; i++) {
  items[i].addEventListener('click', function () {
    console.log(`Text = ${items[i].innerText}`);

It’s just not the most modern or visually appealing looping method.

2. for…of loop

We can also use the for...of loop on a NodeList.

for (const item of items) {
  item.addEventListener('click', () => {
    console.log(`2: Text = ${item.innerText}`);

The for of loop is supported by all modern browsers and works pretty well on a list of nodes.

3. forEach loop

My all-time favorite loop to use with querySelectorAll is the forEach loop.

It’s the easiest method to use with NodeLists but will only work in modern browsers.

items.forEach((item) => {
  item.addEventListener('click', () => {
    console.log(`3: Text = ${item.innerText}`);

This method can be extended by converting the NodeList to an array before.

[], function (item) {
  item.addEventListener('click', function () {
    console.log(`3.1: Text = ${item.innerText}`);

Or, we can use the spread operator to convert the list into an array:

[...items].forEach((item) => {
  item.addEventListener('click', () => {
    console.log(`3.2: Text = ${item.innerText}`);

There you go: Three examples (+ iterations) of how to loop over the querySelectorAll result in Javascript.

See the Code Examples in this Codepen

You can also have a play around with this Codepen.

See the Pen JavaScript loop querySelectorAll results by Chris Bongers (@rebelchris) on CodePen.

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