onkeyup property
      
      dynamic Function(KeyboardEvent)?
      get
      onkeyup
      
    
    
Fires when the user releases a key. @param ev The keyboard event
Implementation
_i2.dynamic Function(_i3.KeyboardEvent)? get onkeyup =>
    (_i3.KeyboardEvent p0) => _i4.callMethod(
          _i4.getProperty(
            this,
            'onkeyup',
          ),
          r'call',
          [
            this,
            p0,
          ],
        );
      
      set
      onkeyup
      (dynamic value(KeyboardEvent)?) 
      
    
    
    
Implementation
set onkeyup(_i2.dynamic Function(_i3.KeyboardEvent)? value) {
  _i4.setProperty(
    this,
    'onkeyup',
    value == null ? _i6.undefined : _i4.allowInterop(value),
  );
}