{{DomRef}}
The HTMLUnknownElement
interface represents an invalid HTML element and derives from the {{domxref("HTMLElement")}} interface, but without implementing any additional properties or methods.
Properties
No specific property; inherits properties from its parent, {{domxref("HTMLElement")}}.
Methods
No specific method; inherits properties from its parent, {{domxref("HTMLElement")}}.
Specifications
Specification | Status | Comment |
---|---|---|
{{SpecName('HTML WHATWG', "elements.html#htmlunknownelement", "HTMLUnknownElement")}} | {{Spec2('HTML WHATWG')}} | No change from {{SpecName("HTML5 W3C")}}. |
{{SpecName('HTML5 W3C', "dom.html#htmlunknownelement", "HTMLUnknownElement")}} | {{Spec2('HTML5 W3C')}} | Initial definition. |
Browser compatibility
{{CompatibilityTable}}
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} |
Feature | Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|
Basic support | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} |
See also
- Obsolete or non-standard HTML elements implementing this interface: {{HTMLElement("bgsound")}}, {{HTMLElement("blink")}}, {{HTMLElement("isindex")}}, {{HTMLElement("multicol")}}, {{HTMLElement("nextid")}}, {{HTMLElement("rb")}}, {{HTMLElement("spacer")}}