namespaceUri property

String? get namespaceUri

Implementation

String? get namespaceUri {
  final nodeName = this.nodeName;
  final i = nodeName.indexOf(':');
  if (i >= 0) {
    final prefix = nodeName.substring(0, i);
    final result = _namespaceUriFromPrefix(prefix);
    if (result != null) {
      return result;
    }
  }
  final document = ownerDocument;
  if (document is HtmlDocument) {
    return 'http://www.w3.org/1999/xhtml';
  }
  return null;
}