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The HTMLUnknownElement interface represents an invalid HTML element and derives from the HTMLElement interface, but without implementing any additional properties or methods.

Properties

No specific property; inherits properties from its parent, HTMLElement.

Methods

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

Specifications

Specification Status Comment
HTML Living Standard
The definition of 'HTMLUnknownElement' in that specification.
Living Standard No change from HTML5.
HTML5
The definition of 'HTMLUnknownElement' in that specification.
Recommendation Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support Yes Yes Yes Yes Yes Yes
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes Yes Yes Yes Yes Yes Yes

See also

Document Tags and Contributors

Last updated by: ExE-Boss,