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 */ 15class Animal { 16 age = 1; 17 tmp = 0; 18} 19 20class Dog extends Animal { 21 setAge() { 22 super.tmp = 1; 23 // super.age = 2; 24 } 25} 26 27let doggy = new Dog(); 28doggy.setAge(); 29print(doggy.age); // 1 -> 2 30 31function dummyFunc() {} 32