1/* 2 * Copyright (c) 2023 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 */ 15 16declare function print(arg:any):string; 17function Dog(name) { 18 this.name = name; 19} 20 21const dog1 = new Dog('Gabby'); 22 23print(dog1.hasOwnProperty("name")); 24print(Object.prototype.hasOwnProperty.call(dog1, "name")); 25print(Object.prototype.hasOwnProperty.call(dog1, "no")); 26 27let s = "ss"; 28print(Object.prototype.hasOwnProperty.call(s, "length")); 29print(Object.prototype.hasOwnProperty.call(s, 0)); 30 31let a = [1, 2, 3] 32print(Object.prototype.hasOwnProperty.call(a, "length")); 33print(a.hasOwnProperty("length")); 34print(a.hasOwnProperty("0")); 35print(a.hasOwnProperty(0)); 36