Element:prefix 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 July 2015.
Element.prefix
只读属性返回指定元素的命名空间前缀,如果未指定前缀,则返回 null
。
值
字符串。
示例
以下代码在控制台中打印“x”。
xml
<x:div onclick="console.log(this.prefix)"/>
备注
仅当使用可感知命名空间的解析器时(即,当文档以 XML MIME 类型提供时),此属性才有效。对于 HTML 文档,此属性无效。
规范
Specification |
---|
DOM # ref-for-dom-element-prefix① |
浏览器兼容性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
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prefix |
Legend
Tip: you can click/tap on a cell for more information.
- 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.