// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'dart:js_interop'; import 'package:web/web.dart' as web; Future main() async { await web.window.navigator.serviceWorker.ready.toDart; final JSString response = 'CLOSE?version=1'.toJS; await web.window.fetch(response).toDart; web.document.body?.append(response); }