onclosing property

EventHandlerNonNull<Event>? onclosing

Implementation

EventHandlerNonNull? get onclosing => js_util.getProperty(this, 'onclosing');

void onclosing=(EventHandlerNonNull<Event>? newValue)

Implementation

set onclosing(EventHandlerNonNull? newValue) {
  js_util.setProperty(this, 'onclosing', newValue);
}