src Elem[] added

List of nodes added, or empyt list if no nodes added.

src Str? attr

Name of the changed attribute, or null if no attribute was changed.

src Str? attrNs

Namespace of the changed attribute, or null if no attribute was changed.

src Elem? nextSibling

Next sibling of the added or removed nodes, or null if no nodes added or removed.

src Str? oldVal

Old value, depending on type:

• For "attrs", it is the value of the changed attribute before the change
• For "charData", it is the data of the changed node before the change
• For "childList", it is null

src Elem? prevSibling

Previous sibling of the added or removed nodes, or null if not nodes added or removed.

src Elem[] removed

List of nodes removed, or empty list if no nodes removed.

src Elem target

Target node that mutation affected, depending on the type:

• For "attrs", it is the element whose attribute changed
• For "charData", it is the CharacterData node
• For "childList", it is the node whose children changed

src Str type

Mutation type:

• "attrs" if the mutation was an attribute mutation
• "charData" if it was a mutation to a CharacterData node
• "childList" if it was a mutation to the tree of nodes