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MediaList - Web APIs | MDN
MediaList.mediaText
A stringifier that returns a string representing the MediaList as text, and also allows you to set a new MediaList.
MediaList.lengthRead only
Returns the number of media queries in the MediaList.
MediaList.appendMedium()
Adds a media query to the MediaList.
MediaList.deleteMedium()
Removes a media query from the MediaList.
MediaList.item()
A getter that returns a string representing a media query as text, given the media query's index value inside the MediaList. This method can also be called using the bracket ([]) syntax.
MediaList.toString()
Returns a string representation of this media list in the same format as the object's MediaList.mediaText
The following would log to the console a textual representation of the MediaList of the first stylesheet applied to the current document.
const stylesheets = document.styleSheets;
let stylesheet = stylesheets[0];
console.log(stylesheet.media.mediaText);
