StyleSheet.media

The media property of the StyleSheet interface specifies the intended destination media for style information. It is a read-only, array-like MediaList object and can be removed with deleteMedium() and added with appendMedium().

Example

<!doctype html>
<html>
<head>
<link rel="stylesheet" href="document.css" type="text/css" media="screen" />
<style rel="stylesheet" type="text/css" media="screen, print">
body  { background-color: snow; }
</style>
</head>
<body>

<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>
</html>

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
media
1
12
1
9
Yes
1
Yes
Yes
4
Yes
1
Yes

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https://developer.mozilla.org/en-US/docs/Web/API/StyleSheet/media