1/** 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15let output = ''; 16 17async function* foo() { 18 yield await Promise.resolve('4'); 19 yield await Promise.resolve('2'); 20} 21 22async function bar() { 23 for await (const val of foo()) { 24 output = output + val; 25 } 26 print(output); 27} 28 29bar(); 30