HTMLHtmlElement

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HTMLHtmlElement interface serves as the root node for a given HTML document. This object inherits the properties and methods described in the HTMLElement 接口。

可以检索 HTMLHtmlElement object for a given document by reading the value of the document.documentElement 特性。

  <div id="interfaceDiagram" style="display: inline-block; position: relative; width: 100%; padding-bottom: 20%; vertical-align: middle; overflow: hidden;"><svg style="display: inline-block; position: absolute; top: 0; left: 0;" viewbox="-50 0 600 120" preserveAspectRatio="xMinYMin meet"><a xlink:href="../API/EventTarget.html" target="_top"><rect x="1" y="1" width="110" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="56" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">EventTarget</text></a><polyline points="111,25  121,20  121,30  111,25" stroke="#D4DDE4" fill="none"/><line x1="121" y1="25" x2="151" y2="25" stroke="#D4DDE4"/><a xlink:href="../API/Node" target="_top"><rect x="151" y="1" width="75" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="188.5" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">Node</text></a><polyline points="226,25  236,20  236,30  226,25" stroke="#D4DDE4" fill="none"/><line x1="236" y1="25" x2="266" y2="25" stroke="#D4DDE4"/><a xlink:href="../API/Element" target="_top"><rect x="266" y="1" width="75" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="303.5" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">Element</text></a><polyline points="341,25  351,20  351,30  341,25" stroke="#D4DDE4" fill="none"/><line x1="351" y1="25" x2="381" y2="25" stroke="#D4DDE4"/><a xlink:href="../API/HTMLElement" target="_top"><rect x="381" y="1" width="110" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="436" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">HTMLElement</text></a><polyline points="491,25  501,20  501,30  491,25" stroke="#D4DDE4" fill="none"/><line x1="501" y1="25" x2="509" y2="25" stroke="#D4DDE4"/><line x1="509" y1="25" x2="509" y2="90" stroke="#D4DDE4"/><line x1="509" y1="90" x2="492" y2="90" stroke="#D4DDE4"/><a xlink:href="../API/HTMLHtmlElement" target="_top"><rect x="341" y="65" width="150" height="50" fill="#F4F7F8" stroke="#D4DDE4" stroke-width="2px" /><text  x="416" y="94" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">HTMLHtmlElement</text></a></svg></div>

  a:hover text { fill: #0095DD; pointer-events: all;}

特性

继承的特性来自其父级， HTMLElement .

HTMLHtmlElement.version: 是 DOMString representing the version of the HTML Document Type Definition (DTD) that governs this document. This property should not be used any more as it is non-conforming. Simply omit it.

方法

No specific method; inherits methods from its parent, HTMLElement .

规范

规范	状态	注释
HTML 实时标准在该规范中的 HTMLHtmlElement 定义。	实时标准
HTML 5.1 在该规范中的 HTMLHtmlElement 定义。	推荐	无变化从上次快照起
HTML5 在该规范中的 HTMLHtmlElement 定义。	推荐	`version` element has been removed, as it is non-conforming.
DOM (文档对象模型) 2 级 HTML 规范在该规范中的 HTMLHtmlElement 定义。	过时	Reflecting the element change in HTML 4.01 Specification ， `version` property is now deprecated.
DOM (文档对象模型) 1 级规范在该规范中的 HTMLHtmlElement 定义。	过时	初始定义

浏览器兼容性

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. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`HTMLHtmlElement`	Chrome Yes	Edge 12	Firefox 1	IE Yes	Opera Yes	Safari Yes	WebView Android Yes	Chrome Android Yes	Firefox Android 4	Opera Android Yes	Safari iOS Yes	Samsung Internet Android Yes

图例

完整支持

另请参阅

实现此接口的 HTML 元素： <html> .

元数据

最后修改： 2019 年 3 月 23 日

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特性

方法

规范

浏览器兼容性

图例

另请参阅

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