#import #import #import // https://dom.spec.whatwg.org/#characterdata [Exposed=Window] interface CharacterData : Node { [LegacyNullToEmptyString] attribute DOMString data; readonly attribute unsigned long length; DOMString substringData(unsigned long offset, unsigned long count); undefined appendData(DOMString data); undefined insertData(unsigned long offset, DOMString data); undefined deleteData(unsigned long offset, unsigned long count); undefined replaceData(unsigned long offset, unsigned long count, DOMString data); readonly attribute Element? nextElementSibling; readonly attribute Element? previousElementSibling; }; CharacterData includes ChildNode;