The MutationRecord
read-only property attributeNamespace
is the namespace of the mutated attribute in the MutationRecord
observed by a MutationObserver
.
The MutationRecord
read-only property attributeNamespace
is the namespace of the mutated attribute in the MutationRecord
observed by a MutationObserver
.
If the record's type
is attributes
, the property is a string representing the namespace of the mutated attribute of the mutation target. The value is null
otherwise.
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https://developer.mozilla.org/en-US/docs/Web/API/MutationRecord/attributeNamespace