Get all elements in the document with class="example":
More "Try it Yourself" examples below.
The querySelectorAll() method returns all elements in the document that matches a specified CSS selector(s), as a static NodeList object.
The NodeList object represents a collection of nodes. The nodes can be accessed by index numbers. The index starts at 0.
Tip: You can use the length property of the NodeList object to determine the number of elements that matches the specified selector, then you can loop through all elements and extract the info you want.
For more information about CSS Selectors, visit our CSS Selectors Tutorial and our CSS Selectors Reference.
The numbers in the table specifies the first browser version that fully supports the method.
Method | |||||
---|---|---|---|---|---|
querySelectorAll() | 4.0 | 9.0 | 3.5 | 3.2 | 10.0 |
Note: Internet Explorer 8 has support for CSS2 selectors. IE9 and later versions have support for CSS3 as well.
Parameter | Type | Description |
---|---|---|
CSS selectors | String | Required. Specifies one or more CSS selectors to match the element. These are used to select HTML
elements based on their id, classes, types, attributes, values of attributes,
etc. For multiple selectors, separate each selector with a comma. Tip: For a list of all CSS Selectors, look at our CSS Selectors Reference. |
DOM Version: | Selectors Level 1 Document Object |
---|---|
Return Value: | A NodeList object, representing all elements in the document that matches the specified CSS selector(s). The NodeList is a static collection, meaning that changes in the DOM has NO effect in the collection. Throws a SYNTAX_ERR exception if the selector(s) is invalid |
Get all <p> elements in the document, and set the background color of the first <p> element (index 0):
Get all <p> elements in the document with class="example", and set the background of the first <p> element:
Find out how many elements with class="example" there are in the document (using the length property of the NodeList object):
Set the background color of all elements in the document with class="example":
Set the background color of all <p> elements in the document:
Set the border of all <a> elements in the document that have a "target" attribute:
Set the background color of every <p> element where the parent is a <div> element:
Set the background color of all <h2>, <div> and <span> elements in the document:
CSS Tutorial: CSS Selectors
CSS Reference: CSS Selectors Reference
JavaScript Tutorial: JavaScript HTML DOM Node List
HTML DOM Reference: document.querySelector()
HTML DOM Reference: element.querySelectorAll()