1. @DomName('CharacterData.substringData')
  2. @DocsEditable()
String substringData(
int offset,
int length
)

Not documented.

Source

@DomName('CharacterData.substringData')
@DocsEditable()
String substringData(int offset, int length) => _blink.BlinkCharacterData.instance.substringData_Callback_2_(unwrap_jso(this), offset, length);