StyleSheet:media 属性
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2015.
StyleSheet
接口的 media
属性指定样式信息的预期目标媒体。它是一个只读的、类数组 MediaList
对象,可以使用 deleteMedium()
删除,也可以使用 appendMedium()
添加。
值
一个只读的类数组 MediaList
对象。
示例
html
<!doctype html>
<html lang="zh-CN">
<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,
)}`,
);
}
// 这将输出:
// 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>
规范
Specification |
---|
CSS Object Model (CSSOM) # dom-stylesheet-media |
浏览器兼容性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
media |
Legend
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- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.