Document:documentElement 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.
值
Element
对象。
示例
js
const rootElement = document.documentElement;
const firstTier = rootElement.childNodes;
// firstTier 是包含根元素直接子元素的 NodeList
// 例如 <head> 和 <body>
for (const child of firstTier) {
// 对根元素的每个直接子元素执行某个操作
}
备注
对于任何非空 HTML 文档,documentElement
将始终是 <html>
元素。对于任何非空 XML 文档,documentElement
将始终是文档的根元素。
规范
Specification |
---|
DOM # ref-for-dom-document-documentelement① |
浏览器兼容性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
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documentElement |
Legend
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- Full support
- Full support
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