13af6ab5fSopenharmony_ci/* 23af6ab5fSopenharmony_ci * Copyright (c) 2023-2024 Huawei Device Co., Ltd. 33af6ab5fSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 43af6ab5fSopenharmony_ci * you may not use this file except in compliance with the License. 53af6ab5fSopenharmony_ci * You may obtain a copy of the License at 63af6ab5fSopenharmony_ci * 73af6ab5fSopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 83af6ab5fSopenharmony_ci * 93af6ab5fSopenharmony_ci * Unless required by applicable law or agreed to in writing, software 103af6ab5fSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 113af6ab5fSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 123af6ab5fSopenharmony_ci * See the License for the specific language governing permissions and 133af6ab5fSopenharmony_ci * limitations under the License. 143af6ab5fSopenharmony_ci */ 153af6ab5fSopenharmony_ci 163af6ab5fSopenharmony_cifunction foo(x : number, y : number, z : number) { 173af6ab5fSopenharmony_ci console.log(x, y, z) 183af6ab5fSopenharmony_ci} 193af6ab5fSopenharmony_ci 203af6ab5fSopenharmony_cilet args : [number, number, number] = [0, 1, 2] 213af6ab5fSopenharmony_cifoo(...args) 223af6ab5fSopenharmony_ci 233af6ab5fSopenharmony_cilet list1 = [1, 2] 243af6ab5fSopenharmony_cilet list2 = [...list1, 3, 4] 253af6ab5fSopenharmony_ci 263af6ab5fSopenharmony_cilet point2d = {x: 1, y: 2} 273af6ab5fSopenharmony_cilet point3d = {...point2d, z: 3} 283af6ab5fSopenharmony_ci 293af6ab5fSopenharmony_ci 303af6ab5fSopenharmony_ci 313af6ab5fSopenharmony_ci 323af6ab5fSopenharmony_cifunction sum_numbers(...numbers: number[]): number { 333af6ab5fSopenharmony_ci let res = 0 343af6ab5fSopenharmony_ci for (let n of numbers) 353af6ab5fSopenharmony_ci res += n 363af6ab5fSopenharmony_ci return res 373af6ab5fSopenharmony_ci} 383af6ab5fSopenharmony_ciconsole.log(sum_numbers(1, 2, 3)) 393af6ab5fSopenharmony_ci 403af6ab5fSopenharmony_cifunction log_numbers(x : number, y : number, z : number) { 413af6ab5fSopenharmony_ci console.log(x, y, z) 423af6ab5fSopenharmony_ci} 433af6ab5fSopenharmony_cilet numbers: number[] = [1, 2, 3] 443af6ab5fSopenharmony_cilog_numbers(numbers[0], numbers[1], numbers[2]) 453af6ab5fSopenharmony_ci 463af6ab5fSopenharmony_cilet list3 : number[] = [1, 2] 473af6ab5fSopenharmony_cilet list4 : number[] = [list1[0], list1[1], 3, 4] 483af6ab5fSopenharmony_ci 493af6ab5fSopenharmony_ciclass Point2D { 503af6ab5fSopenharmony_ci x: number = 0; y: number = 0 513af6ab5fSopenharmony_ci} 523af6ab5fSopenharmony_ci 533af6ab5fSopenharmony_ciclass Point3D { 543af6ab5fSopenharmony_ci x: number = 0; y: number = 0; z: number = 0 553af6ab5fSopenharmony_ci constructor(p2d: Point2D, z: number) { 563af6ab5fSopenharmony_ci this.x = p2d.x 573af6ab5fSopenharmony_ci this.y = p2d.y 583af6ab5fSopenharmony_ci this.z = z 593af6ab5fSopenharmony_ci } 603af6ab5fSopenharmony_ci} 613af6ab5fSopenharmony_ci 623af6ab5fSopenharmony_cilet p3d = new Point3D({x: 1, y: 2} as Point2D, 3) 633af6ab5fSopenharmony_ciconsole.log(p3d.x, p3d.y, p3d.z) 643af6ab5fSopenharmony_ci 653af6ab5fSopenharmony_ciclass DerivedFromArray extends Uint16Array { 663af6ab5fSopenharmony_ci}; 673af6ab5fSopenharmony_ci 683af6ab5fSopenharmony_cilet arr1 = [1, 2, 3]; 693af6ab5fSopenharmony_cilet arr2 = new Uint16Array([4, 5, 6]); 703af6ab5fSopenharmony_cilet arr3 = new DerivedFromArray([7, 8, 9]) 713af6ab5fSopenharmony_ci 723af6ab5fSopenharmony_cilet arr4 = [...arr1, 10, ...arr2, 11, ...arr3] 73