MediaList: appendMedium() method

The appendMedium() method of the MediaList interface adds a media query to the list. If the media query is already in the collection, this method does nothing.

Syntax

appendMedium(medium)

Parameters

• medium
  • : A string containing the media query to add.

Return value

None (undefined).

Examples

The following adds the media query print into the MediaList associated with the first stylesheet applied to the current document.

const stylesheet = document.styleSheets[0];
stylesheet.media.appendMedium("print");

Specifications

Browser compatibility