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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
The Element.attachShadow() method attatches a shadow DOM tree to the specified element and returns a reference to its ShadowRoot.
Syntax
var shadowroot = element.attachShadow(shadowRootInit);
Parameters
shadowRootInit- A
ShadowRootInitdictionary, having the following field:mode: A string specifying the encapsulation mode for the shadow DOM tree. One of:open.Specifies open encapsulation mode.closed.Specifies closed encapsulation mode.
Returns
Returns a ShadowRoot.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Shadow DOM The definition of 'attachShadow()' in that specification. |
Working Draft | Initial definition. |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 53.0 | No support | No support | ? | 10.0 |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | No support | 53.0 | No support | ? | ? | ? | ? | 53.0 |