onconnect property
      
      EventHandlerNonNull<Event> ?
      get
      onconnect
      
    
    
    
Implementation
EventHandlerNonNull? get onconnect => js_util.getProperty(this, 'onconnect');
      
      set
      onconnect
      (EventHandlerNonNull<Event> ? newValue) 
      
    
    
    
Implementation
set onconnect(EventHandlerNonNull? newValue) {
  js_util.setProperty(this, 'onconnect', newValue);
}