ReadonlylengthThe read-only length property of the MediaList interface returns the number of media queries in the list.
The mediaText property of the MediaList interface is a stringifier that returns a string representing the MediaList as text, and also allows you to set a new MediaList.
The appendMedium() method of the MediaList interface adds a media query to the list.
The deleteMedium() method of the MediaList interface removes from this MediaList the given media query.
The item() method of the MediaList interface returns the media query at the specified index, or null if the specified index doesn't exist.
The
MediaListinterface represents the media queries of a stylesheet, e.g., those set using a link element'smediaattribute.MDN Reference