14514f5e3Sopenharmony_ci/*
24514f5e3Sopenharmony_ci * Copyright (c) 2023 Huawei Device Co., Ltd.
34514f5e3Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
44514f5e3Sopenharmony_ci * you may not use this file except in compliance with the License.
54514f5e3Sopenharmony_ci * You may obtain a copy of the License at
64514f5e3Sopenharmony_ci *
74514f5e3Sopenharmony_ci *     http://www.apache.org/licenses/LICENSE-2.0
84514f5e3Sopenharmony_ci *
94514f5e3Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software
104514f5e3Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
114514f5e3Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
124514f5e3Sopenharmony_ci * See the License for the specific language governing permissions and
134514f5e3Sopenharmony_ci * limitations under the License.
144514f5e3Sopenharmony_ci */
154514f5e3Sopenharmony_ci
164514f5e3Sopenharmony_ci// @ts-nocheck
174514f5e3Sopenharmony_cideclare function print(a0:any, a1?:any):string;
184514f5e3Sopenharmony_ci
194514f5e3Sopenharmony_ciclass A {
204514f5e3Sopenharmony_ci    x:number;
214514f5e3Sopenharmony_ci    y:number;
224514f5e3Sopenharmony_ci    z:number;
234514f5e3Sopenharmony_ci    constructor() {
244514f5e3Sopenharmony_ci        this.y = 3;
254514f5e3Sopenharmony_ci        this.z = 5;
264514f5e3Sopenharmony_ci    }
274514f5e3Sopenharmony_ci}
284514f5e3Sopenharmony_ci
294514f5e3Sopenharmony_cilet a = new A();
304514f5e3Sopenharmony_cifor (let key in a) {
314514f5e3Sopenharmony_ci    print(key, a[key]);
324514f5e3Sopenharmony_ci}
334514f5e3Sopenharmony_ci
344514f5e3Sopenharmony_ci// delete local property (hole)
354514f5e3Sopenharmony_cidelete a.x;
364514f5e3Sopenharmony_cifor (let key in a) {
374514f5e3Sopenharmony_ci    print(key, a[key]);
384514f5e3Sopenharmony_ci}
394514f5e3Sopenharmony_ci
404514f5e3Sopenharmony_ci// delete local property (no hole)
414514f5e3Sopenharmony_cidelete a.y;
424514f5e3Sopenharmony_cifor (let key in a) {
434514f5e3Sopenharmony_ci    print(key, a[key]);
444514f5e3Sopenharmony_ci}
454514f5e3Sopenharmony_ci
464514f5e3Sopenharmony_ci// add property
474514f5e3Sopenharmony_cia.m = 6;
484514f5e3Sopenharmony_cifor (let key in a) {
494514f5e3Sopenharmony_ci    print(key, a[key]);
504514f5e3Sopenharmony_ci}
514514f5e3Sopenharmony_ci
524514f5e3Sopenharmony_ci// change prototype
534514f5e3Sopenharmony_ciObject.defineProperty(A.prototype, "foo", { value: function() {}})
544514f5e3Sopenharmony_cifor (let key in a) {
554514f5e3Sopenharmony_ci    print(key, a[key]);
564514f5e3Sopenharmony_ci}
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