1/*
2 * Copyright (c) 2022-2024 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
16function varDeclaration() {
17  var x = 20;
18
19  function f(shouldInitialize: boolean) {
20    if (shouldInitialize) {
21      var y = 10;
22    }
23    return y;
24  }
25  f(true); // returns '10'
26  f(false); // returns 'undefined'"
27
28  var array = [1, 2, 3, 4];
29  for (var i = 0; i < array.length; i++) console.log(array[i]);
30
31  for (var j in array) {
32    if (true) {
33      console.log(array[j]);
34    }
35  }
36
37  for (var e of array) console.log(e);
38}
39