MutationObserverInit class

This class represents an options collection which is used to configure MutationObserver.

The MutationObserverInit type exposes the following members:

Constructor	Description
init	Initializes a new instance of the `MutationObserverInit` class.

Property	Description
child_list	Set to true if mutations to target’s children are to be observed.
attributes	Set to true if mutations to target’s attributes are to be observed. Can be omitted if attributeOldValue and/or attributeFilter is specified.
character_data	Set to true if mutations to target’s data are to be observed. Can be omitted if characterDataOldValue is specified
subtree	Set to true if mutations to not just target, but also target’s descendants are to be observed
attribute_old_value	Set to true if attributes is true or omitted and target’s attribute value before the mutation needs to be recorded.
character_data_old_value	Set to true if characterData is set to true or omitted and target’s data before the mutation needs to be recorded.
attribute_filter	Set to a list of attribute local names (without namespace) if not all attribute mutations need to be observed and attributes is true or omitted.
count	Gets the number of key/value pairs contained in the `MutationObserverInit` collection.
is_read_only	Determines whether the `MutationObserverInit` collection is mutable.
keys	Gets a collection containing the keys in the `MutationObserverInit` collection.
values	Gets a collection containing the values in the `MutationObserverInit` collection.

Method	Description
clear	Removes all the elements from the `MutationObserverInit` collection.
contains_key	Determines whether the `MutationObserverInit` collection contain a specified key.
add	Adds the specified key and value to the `MutationObserverInit` collection.
remove	Removes the value associated with the specified key from the `MutationObserverInit` collection.
try_get_value	Gets the value associated with the specified key.