ariaOrientation property
      
      String?
      get
      ariaOrientation
      
    
    
The ariaOrientation property of the Element interface reflects the
value of the
aria-orientation
attribute, which indicates whether the element's orientation is
horizontal, vertical, or unknown/ambiguous.
Implementation
external String? get ariaOrientation;
      
      set
      ariaOrientation
      (String? value) 
      
    
    
    
Implementation
external set ariaOrientation(String? value);