Element.createShadowRoot()

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句法
规范
浏览器兼容性
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非标
此特征是非标准的，且不在标准轨道中。不要在面向 Web 的生产站点中使用它：它不适用于每个用户。实现之间可能存在大的不兼容性，且行为将来可能改变。

弃用
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the 兼容性表格 at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

草案
此页面不完整。

使用 Element.createShadowRoot to create an instance of shadow DOM . When shadow DOM is created, it is always attached to an existing element. After the shadow DOM is created, the element that it is attached to is called the shadow root .

This method has been deprecated in favor of attachShadow() .

句法

var shadowroot = element.createShadowRoot();

参数

No parameters.

Result value

返回 ShadowRoot .

规范

This feature is no longer defined by any specifications.

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
`createShadowRoot` 弃用非标	Chrome 35 35 In Chrome 45, the ability to have multiple shadow roots was deprecated. 不支持 25 — ? Prefixed Prefixed Implemented with the vendor prefix: webkit	Edge 79	Firefox 59 — 61 Disabled 不支持 59 — 61 Disabled Disabled From version 59 until version 61 (exclusive): this feature is behind the `dom.webcomponents.shadowdom.enabled` preference (needs to be set to `true` ). To change preferences in Firefox, visit about:config. 不支持 29 — 59 Disabled Disabled ). To change preferences in Firefox, visit	IE No	Opera 22 22 In Opera 32, the ability to have multiple shadow roots was deprecated. 不支持 15 — ? Prefixed Prefixed Implemented with the vendor prefix: webkit	Safari No	WebView Android 37 37 In version 45, the ability to have multiple shadow roots was deprecated. 不支持 ? — ? Prefixed Prefixed Implemented with the vendor prefix: webkit	Chrome Android 35 35 In Chrome 45, the ability to have multiple shadow roots was deprecated. 不支持 25 — ? Prefixed Prefixed Implemented with the vendor prefix: webkit	Firefox Android 59 — 61 Disabled 不支持 59 — 61 Disabled Disabled From version 59 until version 61 (exclusive): this feature is behind the `dom.webcomponents.shadowdom.enabled` preference (needs to be set to `true` ). To change preferences in Firefox, visit about:config. 不支持 29 — 59 Disabled Disabled ). To change preferences in Firefox, visit	Opera Android 22 22 In Opera 32, the ability to have multiple shadow roots was deprecated. 不支持 14 — ? Prefixed Prefixed Implemented with the vendor prefix: webkit	Safari iOS No	Samsung Internet Android 5.0 5.0 In Samsung Internet 5.0, the ability to have multiple shadow roots was deprecated. 不支持 4.0 — ? Prefixed Prefixed Implemented with the vendor prefix: webkit

图例

完整支持
不支持
非标。预期跨浏览器支持较差。
弃用。不要用于新网站。

用户必须明确启用此特征。
要求使用供应商前缀或不同名称。

元数据

最后修改： 2019 年 3 月 23 日

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句法

参数

Result value

规范

浏览器兼容性

图例

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