Draft
This page is not complete.
Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
Note: This API is available only to WebExtensions.
The Element.openOrCloseShadowRoot read-only property represents the shadow root hosted by the element, regardless if its mode is open or closed. Use Element.attachShadow() to add a shadow root to an existing element.
Syntax
var shadowroot = element.shadowRoot;
Value
A ShadowRoot object instance, regardless if its mode is set to open or closed, or null if no shadow root is present. (See Element.attachShadow() for further details).
Specifications
This property is not part of any specification.
Browser compatibility
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.
Update compatibility data on GitHub
| Desktop | Mobile | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basic support | Chrome No support No | Edge No support No | Firefox
Full support
63
| IE No support No | Opera No support No | Safari No support No | WebView Android No support No | Chrome Android No support No | Edge Mobile No support No | Firefox Android
Full support
63
| Opera Android No support No | Safari iOS No support No | Samsung Internet Android No support No |
Legend
- Full support
- Full support
- No support
- No support
- Non-standard. Expect poor cross-browser support.
- Non-standard. Expect poor cross-browser support.
- See implementation notes.
- See implementation notes.