MediaList: item() method
The item()
method of the MediaList
interface returns the media query at the specified index
, or null
if the specified index
doesn't exist.
Syntax
js
item(index)
[index]
Note: The bracket ([]
) syntax can be used instead of the item()
syntax.
Parameters
index
-
An integer.
Return value
If the bracket ([]
) syntax is used and there is no entry for the given index, undefined
is returned.
Examples
The following would log to the console each media query stored in the
MediaList
associated with the first stylesheet applied to the current document.
js
const stylesheet = document.styleSheets[0];
console.log(stylesheet.media.length);
console.log(stylesheet.media.item(0)); // Returns a string like "print"
console.log(stylesheet.media.item(5)); // Returns null if there is no 5th entry
console.log(stylesheet.media[1]); // Returns a string like "print"
console.log(stylesheet.media[5]); // Returns undefined if there is no 5th entry
Specifications
Specification |
---|
CSS Object Model (CSSOM) # dom-medialist-item |
Browser compatibility
BCD tables only load in the browser