ariaValueNow property
      
      String?
      get
      ariaValueNow
      
    
    
The ariaValueNow property of the Element interface reflects the
value of the
aria-valuenow
attribute, which defines the current value for a range widget.
Implementation
external String? get ariaValueNow;
      
      set
      ariaValueNow
      (String? value) 
      
    
    
    
Implementation
external set ariaValueNow(String? value);