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_cideclare function print(arg:any, arg1?:any):string; 164514f5e3Sopenharmony_ci 174514f5e3Sopenharmony_cilet str:string = '1234567890上下左右中'; 184514f5e3Sopenharmony_ci 194514f5e3Sopenharmony_ci// two const 204514f5e3Sopenharmony_ciprint('123' == '123'); 214514f5e3Sopenharmony_ciprint(str == '1234567890上下左右中'); 224514f5e3Sopenharmony_ciprint('1' == '1') 234514f5e3Sopenharmony_ciprint(str[0] == '12') 244514f5e3Sopenharmony_ci 254514f5e3Sopenharmony_ci// one const 264514f5e3Sopenharmony_cilet ans = 0; 274514f5e3Sopenharmony_cifor (let i = 0; i<15; ++i) { 284514f5e3Sopenharmony_ci let m:string = str[i]; 294514f5e3Sopenharmony_ci if (m == '1' || m == '上' || m == '国') { 304514f5e3Sopenharmony_ci ans += 1; 314514f5e3Sopenharmony_ci } 324514f5e3Sopenharmony_ci} 334514f5e3Sopenharmony_ciprint(ans); 344514f5e3Sopenharmony_ci 354514f5e3Sopenharmony_ci// no const 364514f5e3Sopenharmony_cifunction foo(flag) { 374514f5e3Sopenharmony_ci let str = '12'; 384514f5e3Sopenharmony_ci if (flag) { 394514f5e3Sopenharmony_ci return str[0]; 404514f5e3Sopenharmony_ci } else { 414514f5e3Sopenharmony_ci return str[1]; 424514f5e3Sopenharmony_ci } 434514f5e3Sopenharmony_ci} 444514f5e3Sopenharmony_cilet left:string = foo(true); 454514f5e3Sopenharmony_cilet right1:string = foo(true); 464514f5e3Sopenharmony_cilet right2:string = foo(false); 474514f5e3Sopenharmony_ciprint(left == right1); 484514f5e3Sopenharmony_ciprint(left == right2); 49