MutationRecord: attributeNamespace property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The MutationRecord read-only property attributeNamespace is the namespace of the mutated attribute in the MutationRecord observed by a MutationObserver.
Value
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.
Specifications
| Specification |
|---|
| DOM # ref-for-dom-mutationrecord-attributenamespace② |
Browser compatibility
| desktop | mobile | |||||||||||
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attributeNamespace | ||||||||||||