NewEventHandlerFunc creates an [EventHandler] implementation from a compatible function.

NoError takes a function accepting a single argument and has no return value, and transforms it into a function that can be used where an error return value is expected.

Attr is the interface corresponding to the [Attr DOM node] [Attr DOM node]: https://developer.mozilla.org/en-US/docs/Web/API/Attr.

Deprecated: This interface is part of an implementation details, and it was an oversight that it wasn't placed in an internal package.

An Element in the document.

ElementContainer defines common functionality in [Document], [DocumentFragment], and [Element].

EventHandler is the interface for an event handler.

RootNode implements defines common behaviour between [Document] and [DocumentFragment].

TODO: In the DOM, this is a `NamedNodeMap`.