This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
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.
appendMedium(medium)
mediumA string containing the media query to add.
None (undefined).
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");
| Specification |
|---|
| CSS Object Model (CSSOM)> # dom-medialist-appendmedium> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
appendMedium |
1 | 12 | 1 | ≤12.1 | 1 | 18 | 4 | ≤12.1 | 1 | 1.0 | 4.4 | 1 |
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https://developer.mozilla.org/en-US/docs/Web/API/MediaList/appendMedium