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Other References

CSSStyleDeclaration JS Conversion


HTML DOM querySelectorAll() Method

Example

Set the background color of the first element (in "myDiv") with class="example":

const element = document.getElementById("myDIV");
const list = element.querySelectorAll(".example"); 

list[0].style.backgroundColor = "red";
Try it Yourself »

More "Try it Yourself" examples below.


Description

The querySelectorAll() method returns all child elements that matches a CSS selector(s).

The querySelectorAll() method returns a NodeList.

The querySelectorAll() method throws a SYNTAX_ERR exception if the selector(s) is invalid


NodeList

A NodeList is an array-like collection (list) of nodes.

The nodes in the list can be accessed by index. The index starts at 0.

The length Poperty returns the number of nodes in the list.


Syntax

element.querySelectorAll(CSS selectors)

Parameters

Parameter Description
CSS selectors Required.
One or more CSS selectors.

CSS selectors select HTML elements based on id, classes, types, attributes, values of attributes etc.
For a full list, go to our CSS Selectors Reference.

For multiple selectors, separate each selector with a comma (See "More Examples").

Return Value

Type Description
NodeListA collection of descendant elements that matches the CSS selector(s).
The NodeList is static (changes in the DOM has NO effect in the collection).

Throws a SYNTAX_ERR exception if the specified selector(s) is invalid.


More Examples

Example

Set the background color of the first <p> element in "myDIV":

const element = document.getElementById("myDIV");
const list = element.querySelectorAll("p");

list[0].style.backgroundColor = "red";
Try it Yourself »

Example

Set the background of the first <p> element in "myDIV" with class="example":

const element = document.getElementById("myDIV");
const list = element.querySelectorAll("p.example");

list[0].style.backgroundColor = "red"
Try it Yourself »

Example

How many elements with class="example" are there in "myDIV":

const element = document.getElementById("myDIV");
const list = element.querySelectorAll(".example")

let len = list.length;
Try it Yourself »

Example

Set the background of all elements with class="example" in "myDIV":

const element = document.getElementById("myDIV");
const list = element.querySelectorAll(".example");

for (let i = 0; i < list.length; i++) {
  list[i].style.backgroundColor = "red";
}
Try it Yourself »

Example

Set the background color of all <p> elements in "myDIV":

const element = document.getElementById("myDIV");
const list = element.querySelectorAll("p");

for (let i = 0; i < list.length; i++) {
  list[i].style.backgroundColor = "red";
}
Try it Yourself »

Example

Set the border style of all <a> elements in "myDIV" that have a "target" attribute:

const element = document.getElementById("myDIV");
const list = element.querySelectorAll("a[target]");

for (let i = 0; i < list.length; i++) {
  list[i].style.border = "10px solid red";
}
Try it Yourself »

Example

Set the background color of all <h3> and <span> elements in a document:

const list = document.querySelectorAll("h3, span");
for (let i = 0; i < list.length; i++) {
  list[i].style.backgroundColor = "red";
}
Try it Yourself »

Browser Support

element.querySelectorAll() is a DOM Level 3 (2004) feature.

It is fully supported in all modern browsers:

Chrome Edge Firefox Safari Opera IE
Yes Yes Yes Yes Yes 11