StyleSheet: media property

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().

Value

A read-only array-like MediaList object.

Examples

html

<!DOCTYPE html>
<html lang="en-US">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width" />
    <title>Test page</title>
    <link rel="stylesheet" href="document.css" media="screen" />
    <style rel="stylesheet" media="screen, print">
      body {
        background-color: snow;
      }
    </style>
  </head>
  <body>
    <script>
      for (let i = 0; i < document.styleSheets.length; i++) {
        console.log(
          `document.styleSheets[${i}].media: ${JSON.stringify(
            document.styleSheets[i].media
          )}`
        );
        if (iSheetIndex === 0)
          document.styleSheets[i].media.appendMedium("handheld");
        if (iSheetIndex === 1)
          document.styleSheets[i].media.deleteMedium("print");
        console.log(
          `document.styleSheets[${i}].media: ${JSON.stringify(
            document.styleSheets[i].media
          )}`
        );
      }
      // This 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

Specification
CSS Object Model (CSSOM) # dom-stylesheet-media

Browser compatibility

BCD tables only load in the browser