1/*
2 * Copyright (c) 2023-2024 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 */
15
16// bad
17
18class C1 {
19  foo1() {
20    console.log("foo");
21  }
22}
23
24function bar1() {
25  console.log("bar");
26}
27
28let c11 = new C1();
29let c12 = new C1();
30c12.foo1 = bar;
31
32c11.foo1(); // foo
33c12.foo1(); // bar
34
35// good
36
37class C {
38  foo() {
39    console.log("foo");
40  }
41}
42
43class Derived extends C {
44  foo() {
45    console.log("Extra");
46    super.foo();
47  }
48}
49
50function bar() {
51  console.log("bar");
52}
53
54let c1 = new C();
55let c2 = new C();
56c1.foo(); // foo
57c2.foo(); // foo
58
59let c3 = new Derived();
60c3.foo(); // Extra foo
61