Children of element.
Optional contentWhen the tagName field is 'template', a content field can be
present.
Optional dataData associated with the element.
Optional positionPosition of a node in a source document.
Nodes that are generated (not in the original source document) must not have a position.
Info associated with the element.
Tag name (such as 'body') of the element.
Node type of elements.
HTML element.