description

# opener property Null safety

WindowBase? opener
override

A reference to the window that opened this one.

    Window thisWindow = window;
    WindowBase otherWindow = thisWindow.open('http://www.example.com/', 'foo');
    print(otherWindow.opener == thisWindow); // 'true'

## Implementation

    WindowBase? get opener => _convertNativeToDart_Window(this._get_opener);

void opener= (WindowBase? value)

## Implementation

    set opener(WindowBase? value) native;