StyleSheet.media - Web APIs
it is a read-only, array-like medialist object and can be removed with deletemedium() and added with appendmedium().
...> <script> for (var isheetindex = 0; isheetindex < document.stylesheets.length; isheetindex++) { console.log('document.stylesheets[' + string(isheetindex) + '].media: ' + json.stringify(document.stylesheets[isheetindex].media)); if (isheetindex === 0) document.stylesheets[isheetindex].media.appendmedium('handheld'); if (isheetindex === 1) document.stylesheets[isheetindex].media.deletemedium('print'); console.log('document.stylesheets[' + string(isheetindex) + '].media: ' + json.stringify(document.stylesheets[isheetindex].media)); } /* will log: document.stylesheets[0].media: {"0":"screen"} document.stylesheets[0].media: {"0":"screen","1":"handheld"} document.stylesheets[1].media: {"0":"screen","1":"print"} document.stylesheets[1].media: {"0":"screen"} */ </script> </body> </h...

Index - Web APIs
it is a read-only, array-like medialist object and can be removed with deletemedium() and added with appendmedium().

MediaList - Web APIs
medialist.deletemedium() removes a media query from the medialist.